Add 30/63 and 35/21
1st number: 30/63, 2nd number: 1 14/21
30/63 + 35/21 is 15/7.
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,
30/63 = 30 × 1/63 × 1 = 30/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
35/21 = 35 × 3/21 × 3 = 105/63 - Add the two like fractions:
30/63 + 105/63 = 30 + 105/63 = 135/63 - 135/63 simplified gives 15/7
- So, 30/63 + 35/21 = 15/7
In mixed form: 21/7
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