Add 60/81 and 21/63
60/81 + 21/63 is 29/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 63 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
60/81 = 60 × 7/81 × 7 = 420/567 - Likewise, for the 2nd fraction, since 63 × 9 = 567,
21/63 = 21 × 9/63 × 9 = 189/567 - Add the two like fractions:
420/567 + 189/567 = 420 + 189/567 = 609/567 - 609/567 simplified gives 29/27
- So, 60/81 + 21/63 = 29/27
In mixed form: 12/27
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