Subtract 70/60 from 3/28
1st number: 3/28, 2nd number: 1 10/60
3/28 - 70/60 is -89/84.
Steps for subtracting fractions
- 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,
3/28 = 3 × 15/28 × 15 = 45/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Subtract the two like fractions:
45/420 - 490/420 = 45 - 490/420 = -445/420 - After reducing the fraction, the answer is -89/84
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