Add 21/60 and 40/49
21/60 + 40/49 is 1143/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 49 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
21/60 = 21 × 49/60 × 49 = 1029/2940 - Likewise, for the 2nd fraction, since 49 × 60 = 2940,
40/49 = 40 × 60/49 × 60 = 2400/2940 - Add the two like fractions:
1029/2940 + 2400/2940 = 1029 + 2400/2940 = 3429/2940 - 3429/2940 simplified gives 1143/980
- So, 21/60 + 40/49 = 1143/980
In mixed form: 1163/980
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