Add 20/6 and 72/63
1st number: 3 2/6, 2nd number: 1 9/63
20/6 + 72/63 is 94/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
20/6 = 20 × 21/6 × 21 = 420/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
72/63 = 72 × 2/63 × 2 = 144/126 - Add the two like fractions:
420/126 + 144/126 = 420 + 144/126 = 564/126 - 564/126 simplified gives 94/21
- So, 20/6 + 72/63 = 94/21
In mixed form: 410/21
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