Add 63/4 and 20/72
1st number: 15 3/4, 2nd number: 20/72
63/4 + 20/72 is 577/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
63/4 = 63 × 18/4 × 18 = 1134/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Add the two like fractions:
1134/72 + 20/72 = 1134 + 20/72 = 1154/72 - 1154/72 simplified gives 577/36
- So, 63/4 + 20/72 = 577/36
In mixed form: 161/36
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