Add 70/28 and 15/63
1st number: 2 14/28, 2nd number: 15/63
70/28 + 15/63 is 115/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
70/28 = 70 × 9/28 × 9 = 630/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
630/252 + 60/252 = 630 + 60/252 = 690/252 - 690/252 simplified gives 115/42
- So, 70/28 + 15/63 = 115/42
In mixed form: 231/42
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