Add 15/60 and 28/27
1st number: 15/60, 2nd number: 1 1/27
15/60 + 28/27 is 139/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
15/60 = 15 × 9/60 × 9 = 135/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
28/27 = 28 × 20/27 × 20 = 560/540 - Add the two like fractions:
135/540 + 560/540 = 135 + 560/540 = 695/540 - 695/540 simplified gives 139/108
- So, 15/60 + 28/27 = 139/108
In mixed form: 131/108
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