Add 3/20 and 12/63
3/20 + 12/63 is 143/420.
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,
3/20 = 3 × 63/20 × 63 = 189/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
12/63 = 12 × 20/63 × 20 = 240/1260 - Add the two like fractions:
189/1260 + 240/1260 = 189 + 240/1260 = 429/1260 - 429/1260 simplified gives 143/420
- So, 3/20 + 12/63 = 143/420
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