Subtract 7/40 from 63/4
1st number: 15 3/4, 2nd number: 7/40
63/4 - 7/40 is 623/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
63/4 = 63 × 10/4 × 10 = 630/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
7/40 = 7 × 1/40 × 1 = 7/40 - Subtract the two like fractions:
630/40 - 7/40 = 630 - 7/40 = 623/40 - In mixed form: 1523/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-14/40 63/8-7/40 63/4-7/80 63/4-21/40 63/12-7/40 63/4-35/40 63/20-7/40 63/4-49/40 63/28-7/40