Subtract 15/20 from 80/45
1st number: 1 35/45, 2nd number: 15/20
80/45 - 15/20 is 37/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
15/20 = 15 × 9/20 × 9 = 135/180 - Subtract the two like fractions:
320/180 - 135/180 = 320 - 135/180 = 185/180 - After reducing the fraction, the answer is 37/36
- In mixed form: 11/36
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