Add 70/56 and 84/63
1st number: 1 14/56, 2nd number: 1 21/63
70/56 + 84/63 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
70/56 = 70 × 9/56 × 9 = 630/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504 - Add the two like fractions:
630/504 + 672/504 = 630 + 672/504 = 1302/504 - 1302/504 simplified gives 31/12
- So, 70/56 + 84/63 = 31/12
In mixed form: 27/12
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