Add 21/20 and 64/54
1st number: 1 1/20, 2nd number: 1 10/54
21/20 + 64/54 is 1207/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
21/20 = 21 × 27/20 × 27 = 567/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
64/54 = 64 × 10/54 × 10 = 640/540 - Add the two like fractions:
567/540 + 640/540 = 567 + 640/540 = 1207/540 - So, 21/20 + 64/54 = 1207/540
In mixed form: 2127/540
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