Subtract 3/60 from 20/45
20/45 - 3/60 is 71/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
3/60 = 3 × 3/60 × 3 = 9/180 - Subtract the two like fractions:
80/180 - 9/180 = 80 - 9/180 = 71/180
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