Subtract 63/20 from 9/35
1st number: 9/35, 2nd number: 3 3/20
9/35 - 63/20 is -81/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
9/35 = 9 × 4/35 × 4 = 36/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
63/20 = 63 × 7/20 × 7 = 441/140 - Subtract the two like fractions:
36/140 - 441/140 = 36 - 441/140 = -405/140 - After reducing the fraction, the answer is -81/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/35-63/20 9/70-63/20 9/35-63/40 27/35-63/20 9/35-63/60 45/35-63/20 63/35-63/20