Add 80/63 and 15/42
1st number: 1 17/63, 2nd number: 15/42
80/63 + 15/42 is 205/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
80/63 = 80 × 2/63 × 2 = 160/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
15/42 = 15 × 3/42 × 3 = 45/126 - Add the two like fractions:
160/126 + 45/126 = 160 + 45/126 = 205/126 - So, 80/63 + 15/42 = 205/126
In mixed form: 179/126
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