Subtract 45/30 from 12/35
1st number: 12/35, 2nd number: 1 15/30
12/35 - 45/30 is -81/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
12/35 = 12 × 6/35 × 6 = 72/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
45/30 = 45 × 7/30 × 7 = 315/210 - Subtract the two like fractions:
72/210 - 315/210 = 72 - 315/210 = -243/210 - After reducing the fraction, the answer is -81/70
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