Add 28/20 and 12/56
1st number: 1 8/20, 2nd number: 12/56
28/20 + 12/56 is 113/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
28/20 = 28 × 14/20 × 14 = 392/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
12/56 = 12 × 5/56 × 5 = 60/280 - Add the two like fractions:
392/280 + 60/280 = 392 + 60/280 = 452/280 - 452/280 simplified gives 113/70
- So, 28/20 + 12/56 = 113/70
In mixed form: 143/70
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