Subtract 8/30 from 21/36
21/36 - 8/30 is 19/60.
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,
21/36 = 21 × 5/36 × 5 = 105/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
8/30 = 8 × 6/30 × 6 = 48/180 - Subtract the two like fractions:
105/180 - 48/180 = 105 - 48/180 = 57/180 - After reducing the fraction, the answer is 19/60
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