Add 3/56 and 45/20
1st number: 3/56, 2nd number: 2 5/20
3/56 + 45/20 is 129/56.
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,
3/56 = 3 × 5/56 × 5 = 15/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
45/20 = 45 × 14/20 × 14 = 630/280 - Add the two like fractions:
15/280 + 630/280 = 15 + 630/280 = 645/280 - 645/280 simplified gives 129/56
- So, 3/56 + 45/20 = 129/56
In mixed form: 217/56
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