Subtract 28/80 from 15/12
1st number: 1 3/12, 2nd number: 28/80
15/12 - 28/80 is 9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
15/12 = 15 × 20/12 × 20 = 300/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Subtract the two like fractions:
300/240 - 84/240 = 300 - 84/240 = 216/240 - After reducing the fraction, the answer is 9/10
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