Add 20/18 and 42/7
1st number: 1 2/18, 2nd number: 6 0/7
20/18 + 42/7 is 64/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
42/7 = 42 × 18/7 × 18 = 756/126 - Add the two like fractions:
140/126 + 756/126 = 140 + 756/126 = 896/126 - 896/126 simplified gives 64/9
- So, 20/18 + 42/7 = 64/9
In mixed form: 71/9
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