Subtract 9/40 from 45/35
1st number: 1 10/35, 2nd number: 9/40
45/35 - 9/40 is 297/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
45/35 = 45 × 8/35 × 8 = 360/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
9/40 = 9 × 7/40 × 7 = 63/280 - Subtract the two like fractions:
360/280 - 63/280 = 360 - 63/280 = 297/280 - In mixed form: 117/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35-9/40 45/35-18/40 45/70-9/40 45/35-9/80 45/35-27/40 45/35-45/40 45/35-63/40