Add 81/8 and 42/60
1st number: 10 1/8, 2nd number: 42/60
81/8 + 42/60 is 433/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 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 60 × 2 = 120,
42/60 = 42 × 2/60 × 2 = 84/120 - Add the two like fractions:
1215/120 + 84/120 = 1215 + 84/120 = 1299/120 - 1299/120 simplified gives 433/40
- So, 81/8 + 42/60 = 433/40
In mixed form: 1033/40
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