Add 81/60 and 20/8
1st number: 1 21/60, 2nd number: 2 4/8
81/60 + 20/8 is 77/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 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 8 × 15 = 120,
20/8 = 20 × 15/8 × 15 = 300/120 - Add the two like fractions:
162/120 + 300/120 = 162 + 300/120 = 462/120 - 462/120 simplified gives 77/20
- So, 81/60 + 20/8 = 77/20
In mixed form: 317/20
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