Add 15/7 and 72/63
1st number: 2 1/7, 2nd number: 1 9/63
15/7 + 72/63 is 23/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
15/7 = 15 × 9/7 × 9 = 135/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
72/63 = 72 × 1/63 × 1 = 72/63 - Add the two like fractions:
135/63 + 72/63 = 135 + 72/63 = 207/63 - 207/63 simplified gives 23/7
- So, 15/7 + 72/63 = 23/7
In mixed form: 32/7
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