Add 21/70 and 56/75
21/70 + 56/75 is 157/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 70 × 15 = 1050,
21/70 = 21 × 15/70 × 15 = 315/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
56/75 = 56 × 14/75 × 14 = 784/1050 - Add the two like fractions:
315/1050 + 784/1050 = 315 + 784/1050 = 1099/1050 - 1099/1050 simplified gives 157/150
- So, 21/70 + 56/75 = 157/150
In mixed form: 17/150
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