Add 81/63 and 5/4
1st number: 1 18/63, 2nd number: 1 1/4
81/63 + 5/4 is 71/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 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 4 × 63 = 252,
5/4 = 5 × 63/4 × 63 = 315/252 - Add the two like fractions:
324/252 + 315/252 = 324 + 315/252 = 639/252 - 639/252 simplified gives 71/28
- So, 81/63 + 5/4 = 71/28
In mixed form: 215/28
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