Subtract 20/30 from 28/36
28/36 - 20/30 is 1/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
28/36 = 28 × 5/36 × 5 = 140/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
20/30 = 20 × 6/30 × 6 = 120/180 - Subtract the two like fractions:
140/180 - 120/180 = 140 - 120/180 = 20/180 - After reducing the fraction, the answer is 1/9
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