Subtract 49/35 from 28/30
1st number: 28/30, 2nd number: 1 14/35
28/30 - 49/35 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
49/35 = 49 × 6/35 × 6 = 294/210 - Subtract the two like fractions:
196/210 - 294/210 = 196 - 294/210 = -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: 56/30-49/35 28/30-98/35 28/60-49/35 28/30-49/70 84/30-49/35 28/90-49/35