Add 10/63 and 70/21
1st number: 10/63, 2nd number: 3 7/21
10/63 + 70/21 is 220/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
10/63 = 10 × 1/63 × 1 = 10/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
70/21 = 70 × 3/21 × 3 = 210/63 - Add the two like fractions:
10/63 + 210/63 = 10 + 210/63 = 220/63 - So, 10/63 + 70/21 = 220/63
In mixed form: 331/63
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