Subtract 48/63 from 72/90
72/90 - 48/63 is 4/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
72/90 = 72 × 7/90 × 7 = 504/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
48/63 = 48 × 10/63 × 10 = 480/630 - Subtract the two like fractions:
504/630 - 480/630 = 504 - 480/630 = 24/630 - After reducing the fraction, the answer is 4/105
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