Subtract 45/36 from 40/70
1st number: 40/70, 2nd number: 1 9/36
40/70 - 45/36 is -19/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
40/70 = 40 × 18/70 × 18 = 720/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
45/36 = 45 × 35/36 × 35 = 1575/1260 - Subtract the two like fractions:
720/1260 - 1575/1260 = 720 - 1575/1260 = -855/1260 - After reducing the fraction, the answer is -19/28
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