Subtract 21/35 from 63/4
1st number: 15 3/4, 2nd number: 21/35
63/4 - 21/35 is 303/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
63/4 = 63 × 35/4 × 35 = 2205/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
21/35 = 21 × 4/35 × 4 = 84/140 - Subtract the two like fractions:
2205/140 - 84/140 = 2205 - 84/140 = 2121/140 - After reducing the fraction, the answer is 303/20
- In mixed form: 153/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-42/35 63/8-21/35 63/4-21/70 63/4-63/35 63/12-21/35 63/20-21/35 63/28-21/35