Add 72/63 and 4/7
1st number: 1 9/63, 2nd number: 4/7
72/63 + 4/7 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
72/63 = 72 × 1/63 × 1 = 72/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
4/7 = 4 × 9/7 × 9 = 36/63 - Add the two like fractions:
72/63 + 36/63 = 72 + 36/63 = 108/63 - 108/63 simplified gives 12/7
- So, 72/63 + 4/7 = 12/7
In mixed form: 15/7
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