Add 70/4 and 81/60
1st number: 17 2/4, 2nd number: 1 21/60
70/4 + 81/60 is 377/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
70/4 = 70 × 15/4 × 15 = 1050/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Add the two like fractions:
1050/60 + 81/60 = 1050 + 81/60 = 1131/60 - 1131/60 simplified gives 377/20
- So, 70/4 + 81/60 = 377/20
In mixed form: 1817/20
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