Subtract 50/63 from 63/40
1st number: 1 23/40, 2nd number: 50/63
63/40 - 50/63 is 1969/2520.
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,
63/40 = 63 × 63/40 × 63 = 3969/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
50/63 = 50 × 40/63 × 40 = 2000/2520 - Subtract the two like fractions:
3969/2520 - 2000/2520 = 3969 - 2000/2520 = 1969/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/80-50/63