Subtract 15/30 from 25/16
1st number: 1 9/16, 2nd number: 15/30
25/16 - 15/30 is 17/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
25/16 = 25 × 15/16 × 15 = 375/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
15/30 = 15 × 8/30 × 8 = 120/240 - Subtract the two like fractions:
375/240 - 120/240 = 375 - 120/240 = 255/240 - After reducing the fraction, the answer is 17/16
- In mixed form: 11/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/16-15/30 25/32-15/30 25/16-15/60 75/16-15/30 25/16-45/30 25/48-15/30 25/16-15/90 25/16-75/30 25/80-15/30