Subtract 30/25 from 7/30
1st number: 7/30, 2nd number: 1 5/25
7/30 - 30/25 is -29/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
7/30 = 7 × 5/30 × 5 = 35/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
30/25 = 30 × 6/25 × 6 = 180/150 - Subtract the two like fractions:
35/150 - 180/150 = 35 - 180/150 = -145/150 - After reducing the fraction, the answer is -29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-30/25 7/30-60/25 7/60-30/25 7/30-30/50 21/30-30/25 7/30-90/25 7/90-30/25 7/30-30/75 35/30-30/25 49/30-30/25