Add 49/20 and 21/7
1st number: 2 9/20, 2nd number: 3 0/7
49/20 + 21/7 is 109/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
49/20 = 49 × 7/20 × 7 = 343/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
21/7 = 21 × 20/7 × 20 = 420/140 - Add the two like fractions:
343/140 + 420/140 = 343 + 420/140 = 763/140 - 763/140 simplified gives 109/20
- So, 49/20 + 21/7 = 109/20
In mixed form: 59/20
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