Subtract 45/6 from 20/5
1st number: 4 0/5, 2nd number: 7 3/6
20/5 - 45/6 is -7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
20/5 = 20 × 6/5 × 6 = 120/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
45/6 = 45 × 5/6 × 5 = 225/30 - Subtract the two like fractions:
120/30 - 225/30 = 120 - 225/30 = -105/30 - After reducing the fraction, the answer is -7/2
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