Add 15/28 and 49/20
1st number: 15/28, 2nd number: 2 9/20
15/28 + 49/20 is 209/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
49/20 = 49 × 7/20 × 7 = 343/140 - Add the two like fractions:
75/140 + 343/140 = 75 + 343/140 = 418/140 - 418/140 simplified gives 209/70
- So, 15/28 + 49/20 = 209/70
In mixed form: 269/70
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