Subtract 20/60 from 7/9
7/9 - 20/60 is 4/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
7/9 = 7 × 20/9 × 20 = 140/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
20/60 = 20 × 3/60 × 3 = 60/180 - Subtract the two like fractions:
140/180 - 60/180 = 140 - 60/180 = 80/180 - After reducing the fraction, the answer is 4/9
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