Add 4/56 and 21/20
1st number: 4/56, 2nd number: 1 1/20
4/56 + 21/20 is 157/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
4/56 = 4 × 5/56 × 5 = 20/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
21/20 = 21 × 14/20 × 14 = 294/280 - Add the two like fractions:
20/280 + 294/280 = 20 + 294/280 = 314/280 - 314/280 simplified gives 157/140
- So, 4/56 + 21/20 = 157/140
In mixed form: 117/140
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