Add 15/60 and 72/28
1st number: 15/60, 2nd number: 2 16/28
15/60 + 72/28 is 79/28.
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,
15/60 = 15 × 7/60 × 7 = 105/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
72/28 = 72 × 15/28 × 15 = 1080/420 - Add the two like fractions:
105/420 + 1080/420 = 105 + 1080/420 = 1185/420 - 1185/420 simplified gives 79/28
- So, 15/60 + 72/28 = 79/28
In mixed form: 223/28
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