Add 81/63 and 42/36
1st number: 1 18/63, 2nd number: 1 6/36
81/63 + 42/36 is 103/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
81/63 = 81 × 4/63 × 4 = 324/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
42/36 = 42 × 7/36 × 7 = 294/252 - Add the two like fractions:
324/252 + 294/252 = 324 + 294/252 = 618/252 - 618/252 simplified gives 103/42
- So, 81/63 + 42/36 = 103/42
In mixed form: 219/42
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