Subtract 10/42 from 63/4
1st number: 15 3/4, 2nd number: 10/42
63/4 - 10/42 is 1303/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
63/4 = 63 × 21/4 × 21 = 1323/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
10/42 = 10 × 2/42 × 2 = 20/84 - Subtract the two like fractions:
1323/84 - 20/84 = 1323 - 20/84 = 1303/84 - In mixed form: 1543/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-20/42 63/8-10/42 63/4-10/84 63/4-30/42 63/12-10/42 63/4-50/42 63/20-10/42 63/4-70/42 63/28-10/42