Add 35/20 and 21/49
1st number: 1 15/20, 2nd number: 21/49
35/20 + 21/49 is 61/28.
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,
35/20 = 35 × 49/20 × 49 = 1715/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
21/49 = 21 × 20/49 × 20 = 420/980 - Add the two like fractions:
1715/980 + 420/980 = 1715 + 420/980 = 2135/980 - 2135/980 simplified gives 61/28
- So, 35/20 + 21/49 = 61/28
In mixed form: 25/28
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