Add 81/60 and 54/35
1st number: 1 21/60, 2nd number: 1 19/35
81/60 + 54/35 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
81/60 = 81 × 7/60 × 7 = 567/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
54/35 = 54 × 12/35 × 12 = 648/420 - Add the two like fractions:
567/420 + 648/420 = 567 + 648/420 = 1215/420 - 1215/420 simplified gives 81/28
- So, 81/60 + 54/35 = 81/28
In mixed form: 225/28
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