Subtract 48/36 from 21/30
1st number: 21/30, 2nd number: 1 12/36
21/30 - 48/36 is -19/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
21/30 = 21 × 6/30 × 6 = 126/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
48/36 = 48 × 5/36 × 5 = 240/180 - Subtract the two like fractions:
126/180 - 240/180 = 126 - 240/180 = -114/180 - After reducing the fraction, the answer is -19/30
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