Add 20/49 and 21/54
20/49 + 21/54 is 703/882.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 54 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 49 × 54 = 2646,
20/49 = 20 × 54/49 × 54 = 1080/2646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,
21/54 = 21 × 49/54 × 49 = 1029/2646 - Add the two like fractions:
1080/2646 + 1029/2646 = 1080 + 1029/2646 = 2109/2646 - 2109/2646 simplified gives 703/882
- So, 20/49 + 21/54 = 703/882
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