Add 3/18 and 72/63
1st number: 3/18, 2nd number: 1 9/63
3/18 + 72/63 is 55/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
72/63 = 72 × 2/63 × 2 = 144/126 - Add the two like fractions:
21/126 + 144/126 = 21 + 144/126 = 165/126 - 165/126 simplified gives 55/42
- So, 3/18 + 72/63 = 55/42
In mixed form: 113/42
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