Subtract 1/30 from 25/15
1st number: 1 10/15, 2nd number: 1/30
25/15 - 1/30 is 49/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
25/15 = 25 × 2/15 × 2 = 50/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
1/30 = 1 × 1/30 × 1 = 1/30 - Subtract the two like fractions:
50/30 - 1/30 = 50 - 1/30 = 49/30 - In mixed form: 119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15-1/30 25/15-2/30 25/30-1/30 25/15-1/60 75/15-1/30 25/15-3/30 25/45-1/30 25/15-1/90 25/15-5/30 25/75-1/30 25/15-7/30