Add 9/60 and 72/28
1st number: 9/60, 2nd number: 2 16/28
9/60 + 72/28 is 381/140.
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,
9/60 = 9 × 7/60 × 7 = 63/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
72/28 = 72 × 15/28 × 15 = 1080/420 - Add the two like fractions:
63/420 + 1080/420 = 63 + 1080/420 = 1143/420 - 1143/420 simplified gives 381/140
- So, 9/60 + 72/28 = 381/140
In mixed form: 2101/140
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