Add 90/20 and 20/56
1st number: 4 10/20, 2nd number: 20/56
90/20 + 20/56 is 34/7.
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,
20/56 = 20 × 5/56 × 5 = 100/280 - Add the two like fractions:
1260/280 + 100/280 = 1260 + 100/280 = 1360/280 - 1360/280 simplified gives 34/7
- So, 90/20 + 20/56 = 34/7
In mixed form: 46/7
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