Subtract 75/70 from 12/35
1st number: 12/35, 2nd number: 1 5/70
12/35 - 75/70 is -51/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
12/35 = 12 × 2/35 × 2 = 24/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
75/70 = 75 × 1/70 × 1 = 75/70 - Subtract the two like fractions:
24/70 - 75/70 = 24 - 75/70 = -51/70
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