Add 81/60 and 27/24
1st number: 1 21/60, 2nd number: 1 3/24
81/60 + 27/24 is 99/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
81/60 = 81 × 2/60 × 2 = 162/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
27/24 = 27 × 5/24 × 5 = 135/120 - Add the two like fractions:
162/120 + 135/120 = 162 + 135/120 = 297/120 - 297/120 simplified gives 99/40
- So, 81/60 + 27/24 = 99/40
In mixed form: 219/40
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