Add 20/27 and 81/60
1st number: 20/27, 2nd number: 1 21/60
20/27 + 81/60 is 1129/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
20/27 = 20 × 20/27 × 20 = 400/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
81/60 = 81 × 9/60 × 9 = 729/540 - Add the two like fractions:
400/540 + 729/540 = 400 + 729/540 = 1129/540 - So, 20/27 + 81/60 = 1129/540
In mixed form: 249/540
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