Subtract 2/5 from 20/36
20/36 - 2/5 is 7/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Likewise, for the 2nd fraction, since 5 × 36 = 180,
2/5 = 2 × 36/5 × 36 = 72/180 - Subtract the two like fractions:
100/180 - 72/180 = 100 - 72/180 = 28/180 - After reducing the fraction, the answer is 7/45
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