Subtract 24/70 from 45/28
1st number: 1 17/28, 2nd number: 24/70
45/28 - 24/70 is 177/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
45/28 = 45 × 5/28 × 5 = 225/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
24/70 = 24 × 2/70 × 2 = 48/140 - Subtract the two like fractions:
225/140 - 48/140 = 225 - 48/140 = 177/140 - In mixed form: 137/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28-24/70 45/28-48/70 45/56-24/70 45/28-72/70 45/84-24/70