Add 75/63 and 3/20
1st number: 1 12/63, 2nd number: 3/20
75/63 + 3/20 is 563/420.
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,
75/63 = 75 × 20/63 × 20 = 1500/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
3/20 = 3 × 63/20 × 63 = 189/1260 - Add the two like fractions:
1500/1260 + 189/1260 = 1500 + 189/1260 = 1689/1260 - 1689/1260 simplified gives 563/420
- So, 75/63 + 3/20 = 563/420
In mixed form: 1143/420
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