Subtract 36/45 from 63/90
63/90 - 36/45 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
63/90 = 63 × 1/90 × 1 = 63/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
36/45 = 36 × 2/45 × 2 = 72/90 - Subtract the two like fractions:
63/90 - 72/90 = 63 - 72/90 = -9/90 - After reducing the fraction, the answer is -1/10
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