Add 15/63 and 1/20
15/63 + 1/20 is 121/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
15/63 = 15 × 20/63 × 20 = 300/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
1/20 = 1 × 63/20 × 63 = 63/1260 - Add the two like fractions:
300/1260 + 63/1260 = 300 + 63/1260 = 363/1260 - 363/1260 simplified gives 121/420
- So, 15/63 + 1/20 = 121/420
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