Subtract 70/60 from 30/35
1st number: 30/35, 2nd number: 1 10/60
30/35 - 70/60 is -13/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
30/35 = 30 × 12/35 × 12 = 360/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Subtract the two like fractions:
360/420 - 490/420 = 360 - 490/420 = -130/420 - After reducing the fraction, the answer is -13/42
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