Add 70/49 and 12/63
1st number: 1 21/49, 2nd number: 12/63
70/49 + 12/63 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
70/49 = 70 × 9/49 × 9 = 630/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
12/63 = 12 × 7/63 × 7 = 84/441 - Add the two like fractions:
630/441 + 84/441 = 630 + 84/441 = 714/441 - 714/441 simplified gives 34/21
- So, 70/49 + 12/63 = 34/21
In mixed form: 113/21
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