Add 81/60 and 30/4
1st number: 1 21/60, 2nd number: 7 2/4
81/60 + 30/4 is 177/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
30/4 = 30 × 15/4 × 15 = 450/60 - Add the two like fractions:
81/60 + 450/60 = 81 + 450/60 = 531/60 - 531/60 simplified gives 177/20
- So, 81/60 + 30/4 = 177/20
In mixed form: 817/20
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