Subtract 18/35 from 49/28
1st number: 1 21/28, 2nd number: 18/35
49/28 - 18/35 is 173/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
49/28 = 49 × 5/28 × 5 = 245/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
18/35 = 18 × 4/35 × 4 = 72/140 - Subtract the two like fractions:
245/140 - 72/140 = 245 - 72/140 = 173/140 - In mixed form: 133/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28-18/35 49/28-36/35 49/56-18/35 49/28-18/70 49/28-54/35 49/84-18/35 49/28-90/35