Add 72/56 and 9/20
1st number: 1 16/56, 2nd number: 9/20
72/56 + 9/20 is 243/140.
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,
72/56 = 72 × 5/56 × 5 = 360/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
9/20 = 9 × 14/20 × 14 = 126/280 - Add the two like fractions:
360/280 + 126/280 = 360 + 126/280 = 486/280 - 486/280 simplified gives 243/140
- So, 72/56 + 9/20 = 243/140
In mixed form: 1103/140
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