Subtract 40/30 from 63/35
1st number: 1 28/35, 2nd number: 1 10/30
63/35 - 40/30 is 7/15.
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,
63/35 = 63 × 6/35 × 6 = 378/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
40/30 = 40 × 7/30 × 7 = 280/210 - Subtract the two like fractions:
378/210 - 280/210 = 378 - 280/210 = 98/210 - After reducing the fraction, the answer is 7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/35-80/30 63/70-40/30 63/35-40/60 63/35-40/90