Add 3/20 and 8/28
3/20 + 8/28 is 61/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
3/20 = 3 × 7/20 × 7 = 21/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
8/28 = 8 × 5/28 × 5 = 40/140 - Add the two like fractions:
21/140 + 40/140 = 21 + 40/140 = 61/140 - So, 3/20 + 8/28 = 61/140
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