Subtract 3/10 from 28/12, Solve 2 4/12

Subtract 3/10 from 28/12

1^st number: 2 4/12, 2^nd number: 3/10

28/12 - 3/10 is 61/30.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60
Likewise, for the 2nd fraction, since 10 × 6 = 60,
3/10 = 3 × 6/10 × 6 = 18/60
Subtract the two like fractions:
140/60 - 18/60 = 140 - 18/60 = 122/60
After reducing the fraction, the answer is 61/30
In mixed form: 21/30

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