Add 90/56 and 7/20
1st number: 1 34/56, 2nd number: 7/20
90/56 + 7/20 is 137/70.
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,
90/56 = 90 × 5/56 × 5 = 450/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
7/20 = 7 × 14/20 × 14 = 98/280 - Add the two like fractions:
450/280 + 98/280 = 450 + 98/280 = 548/280 - 548/280 simplified gives 137/70
- So, 90/56 + 7/20 = 137/70
In mixed form: 167/70
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