Selina Concise Class 6 Math Chapter 15 Decimal Fractions Exercise 15B Solution
EXERCISE 15B
(1) Add following:
Contents
(2) Find the value of:
(3) Subtract:
(4) Simplify:
(i) (3.5 – 2.43) + 0.075 = 1.07 + 0.075 = 1.145
(ii) (7.84 + 0.3) – 4.016 = 8.14 – 4.016 = 4.124
(iii) 2.987 – (1.25 + 0.54) = 2.987 – 1.79 = 1.197
(iv) 52.9 – 231.66 + 204
= (52.9 + 204) – 231.66
= 256.9 – 231.66 = 25.24
(v) 8.57 – 6.4432 – 1.70 + 0.683
= (8.57 + 0.683) – (6.4432 + 1.70)
= 9.253 – 8.1432
= 1.1098
(5) (75.75 + 4.9) – 28.465
= 80.65 – 28.465
= 52.185
(6) 32.7 – (8.14 + 12.9)
= 32.7 – 21.04
= 11.66
(7) (20.937 + 200.6) – (34.27 + 159.8)
= 221.537 – 194.07
= 27.467
(8) (2.43 + 4.349) – (0.8 + 3.15)
= 6.779 – 3.95
= 2.829
(9) (18.0495 + 34.9644) – (7.6752 + 24.876)
= 53.0139 – 32.5512
= 20.4627
(10) (1000 – 89.376) = 910.624