Add 45/60 and 81/28
1st number: 45/60, 2nd number: 2 25/28
45/60 + 81/28 is 51/14.
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,
45/60 = 45 × 7/60 × 7 = 315/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
81/28 = 81 × 15/28 × 15 = 1215/420 - Add the two like fractions:
315/420 + 1215/420 = 315 + 1215/420 = 1530/420 - 1530/420 simplified gives 51/14
- So, 45/60 + 81/28 = 51/14
In mixed form: 39/14
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