Add 72/20 and 56/63
1st number: 3 12/20, 2nd number: 56/63
72/20 + 56/63 is 202/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
72/20 = 72 × 63/20 × 63 = 4536/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
56/63 = 56 × 20/63 × 20 = 1120/1260 - Add the two like fractions:
4536/1260 + 1120/1260 = 4536 + 1120/1260 = 5656/1260 - 5656/1260 simplified gives 202/45
- So, 72/20 + 56/63 = 202/45
In mixed form: 422/45
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