Add 7/20 and 9/54
7/20 + 9/54 is 31/60.
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,
7/20 = 7 × 27/20 × 27 = 189/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
9/54 = 9 × 10/54 × 10 = 90/540 - Add the two like fractions:
189/540 + 90/540 = 189 + 90/540 = 279/540 - 279/540 simplified gives 31/60
- So, 7/20 + 9/54 = 31/60
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