Add 45/56 and 28/20
1st number: 45/56, 2nd number: 1 8/20
45/56 + 28/20 is 617/280.
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,
45/56 = 45 × 5/56 × 5 = 225/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
28/20 = 28 × 14/20 × 14 = 392/280 - Add the two like fractions:
225/280 + 392/280 = 225 + 392/280 = 617/280 - So, 45/56 + 28/20 = 617/280
In mixed form: 257/280
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