Add 90/20 and 18/56
1st number: 4 10/20, 2nd number: 18/56
90/20 + 18/56 is 135/28.
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,
90/20 = 90 × 14/20 × 14 = 1260/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Add the two like fractions:
1260/280 + 90/280 = 1260 + 90/280 = 1350/280 - 1350/280 simplified gives 135/28
- So, 90/20 + 18/56 = 135/28
In mixed form: 423/28
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