Add 10/28 and 21/20
1st number: 10/28, 2nd number: 1 1/20
10/28 + 21/20 is 197/140.
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,
10/28 = 10 × 5/28 × 5 = 50/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
21/20 = 21 × 7/20 × 7 = 147/140 - Add the two like fractions:
50/140 + 147/140 = 50 + 147/140 = 197/140 - So, 10/28 + 21/20 = 197/140
In mixed form: 157/140
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