Add 15/20 and 80/63
1st number: 15/20, 2nd number: 1 17/63
15/20 + 80/63 is 509/252.
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,
15/20 = 15 × 63/20 × 63 = 945/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
80/63 = 80 × 20/63 × 20 = 1600/1260 - Add the two like fractions:
945/1260 + 1600/1260 = 945 + 1600/1260 = 2545/1260 - 2545/1260 simplified gives 509/252
- So, 15/20 + 80/63 = 509/252
In mixed form: 25/252
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