Add 18/56 and 21/20
1st number: 18/56, 2nd number: 1 1/20
18/56 + 21/20 is 48/35.
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,
18/56 = 18 × 5/56 × 5 = 90/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
21/20 = 21 × 14/20 × 14 = 294/280 - Add the two like fractions:
90/280 + 294/280 = 90 + 294/280 = 384/280 - 384/280 simplified gives 48/35
- So, 18/56 + 21/20 = 48/35
In mixed form: 113/35
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