Subtract 63/30 from 45/35
1st number: 1 10/35, 2nd number: 2 3/30
45/35 - 63/30 is -57/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
45/35 = 45 × 6/35 × 6 = 270/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
63/30 = 63 × 7/30 × 7 = 441/210 - Subtract the two like fractions:
270/210 - 441/210 = 270 - 441/210 = -171/210 - After reducing the fraction, the answer is -57/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35-63/30 45/70-63/30 45/35-63/60 45/35-63/90