Add 3/20 and 81/63
1st number: 3/20, 2nd number: 1 18/63
3/20 + 81/63 is 201/140.
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,
81/63 = 81 × 20/63 × 20 = 1620/1260 - Add the two like fractions:
189/1260 + 1620/1260 = 189 + 1620/1260 = 1809/1260 - 1809/1260 simplified gives 201/140
- So, 3/20 + 81/63 = 201/140
In mixed form: 161/140
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