Add 20/4 and 81/63
1st number: 5 0/4, 2nd number: 1 18/63
20/4 + 81/63 is 44/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
20/4 = 20 × 63/4 × 63 = 1260/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
81/63 = 81 × 4/63 × 4 = 324/252 - Add the two like fractions:
1260/252 + 324/252 = 1260 + 324/252 = 1584/252 - 1584/252 simplified gives 44/7
- So, 20/4 + 81/63 = 44/7
In mixed form: 62/7
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