Add 81/7 and 72/60
1st number: 11 4/7, 2nd number: 1 12/60
81/7 + 72/60 is 447/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
81/7 = 81 × 60/7 × 60 = 4860/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Add the two like fractions:
4860/420 + 504/420 = 4860 + 504/420 = 5364/420 - 5364/420 simplified gives 447/35
- So, 81/7 + 72/60 = 447/35
In mixed form: 1227/35
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