Add 81/8 and 72/15
1st number: 10 1/8, 2nd number: 4 12/15
81/8 + 72/15 is 597/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
81/8 = 81 × 15/8 × 15 = 1215/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
72/15 = 72 × 8/15 × 8 = 576/120 - Add the two like fractions:
1215/120 + 576/120 = 1215 + 576/120 = 1791/120 - 1791/120 simplified gives 597/40
- So, 81/8 + 72/15 = 597/40
In mixed form: 1437/40
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