Add 21/20 and 54/49
1st number: 1 1/20, 2nd number: 1 5/49
21/20 + 54/49 is 2109/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
21/20 = 21 × 49/20 × 49 = 1029/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
54/49 = 54 × 20/49 × 20 = 1080/980 - Add the two like fractions:
1029/980 + 1080/980 = 1029 + 1080/980 = 2109/980 - So, 21/20 + 54/49 = 2109/980
In mixed form: 2149/980
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