Subtract 45/84 from 63/90
63/90 - 45/84 is 23/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
63/90 = 63 × 14/90 × 14 = 882/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
45/84 = 45 × 15/84 × 15 = 675/1260 - Subtract the two like fractions:
882/1260 - 675/1260 = 882 - 675/1260 = 207/1260 - After reducing the fraction, the answer is 23/140
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Related: 63/90-90/84