Subtract 9/60 from 80/28, Solve 2 24/28

Subtract 9/60 from 80/28

1^st number: 2 24/28, 2^nd number: 9/60

80/28 - 9/60 is 379/140.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 28 × 15 = 420,
80/28 = 80 × 15/28 × 15 = 1200/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420
Subtract the two like fractions:
1200/420 - 63/420 = 1200 - 63/420 = 1137/420
After reducing the fraction, the answer is 379/140
In mixed form: 299/140

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