Subtract 12/28 from 75/30
1st number: 2 15/30, 2nd number: 12/28
75/30 - 12/28 is 29/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
75/30 = 75 × 14/30 × 14 = 1050/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
12/28 = 12 × 15/28 × 15 = 180/420 - Subtract the two like fractions:
1050/420 - 180/420 = 1050 - 180/420 = 870/420 - After reducing the fraction, the answer is 29/14
- In mixed form: 21/14
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