Add 72/56 and 63/20
1st number: 1 16/56, 2nd number: 3 3/20
72/56 + 63/20 is 621/140.
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,
63/20 = 63 × 14/20 × 14 = 882/280 - Add the two like fractions:
360/280 + 882/280 = 360 + 882/280 = 1242/280 - 1242/280 simplified gives 621/140
- So, 72/56 + 63/20 = 621/140
In mixed form: 461/140
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