Add 81/60 and 10/28
1st number: 1 21/60, 2nd number: 10/28
81/60 + 10/28 is 239/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 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 28 × 15 = 420,
10/28 = 10 × 15/28 × 15 = 150/420 - Add the two like fractions:
567/420 + 150/420 = 567 + 150/420 = 717/420 - 717/420 simplified gives 239/140
- So, 81/60 + 10/28 = 239/140
In mixed form: 199/140
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