Subtract 63/40 from 1/63
1st number: 1/63, 2nd number: 1 23/40
1/63 - 63/40 is -3929/2520.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
1/63 = 1 × 40/63 × 40 = 40/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
63/40 = 63 × 63/40 × 63 = 3969/2520 - Subtract the two like fractions:
40/2520 - 3969/2520 = 40 - 3969/2520 = -3929/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63-63/40 1/63-63/80 3/63-63/40 5/63-63/40 7/63-63/40