Add 90/54 and 21/20
1st number: 1 36/54, 2nd number: 1 1/20
90/54 + 21/20 is 163/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
90/54 = 90 × 10/54 × 10 = 900/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
21/20 = 21 × 27/20 × 27 = 567/540 - Add the two like fractions:
900/540 + 567/540 = 900 + 567/540 = 1467/540 - 1467/540 simplified gives 163/60
- So, 90/54 + 21/20 = 163/60
In mixed form: 243/60
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