Add 15/9 and 72/63
1st number: 1 6/9, 2nd number: 1 9/63
15/9 + 72/63 is 59/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
15/9 = 15 × 7/9 × 7 = 105/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
72/63 = 72 × 1/63 × 1 = 72/63 - Add the two like fractions:
105/63 + 72/63 = 105 + 72/63 = 177/63 - 177/63 simplified gives 59/21
- So, 15/9 + 72/63 = 59/21
In mixed form: 217/21
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