Subtract 30/28 from 5/10
1st number: 5/10, 2nd number: 1 2/28
5/10 - 30/28 is -4/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
5/10 = 5 × 14/10 × 14 = 70/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Subtract the two like fractions:
70/140 - 150/140 = 70 - 150/140 = -80/140 - After reducing the fraction, the answer is -4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10-60/28 5/20-30/28 5/10-30/56 15/10-30/28 5/10-90/28 5/30-30/28 5/10-30/84 25/10-30/28 5/50-30/28 35/10-30/28 5/70-30/28