Subtract 48/63 from 9/40
9/40 - 48/63 is -451/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 40 × 63 = 2520,
9/40 = 9 × 63/40 × 63 = 567/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
48/63 = 48 × 40/63 × 40 = 1920/2520 - Subtract the two like fractions:
567/2520 - 1920/2520 = 567 - 1920/2520 = -1353/2520 - After reducing the fraction, the answer is -451/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40-48/63 9/40-96/63 9/80-48/63 27/40-48/63 45/40-48/63 63/40-48/63