Subtract 45/30 from 15/16
1st number: 15/16, 2nd number: 1 15/30
15/16 - 45/30 is -9/16.
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,
15/16 = 15 × 15/16 × 15 = 225/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
45/30 = 45 × 8/30 × 8 = 360/240 - Subtract the two like fractions:
225/240 - 360/240 = 225 - 360/240 = -135/240 - After reducing the fraction, the answer is -9/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16-45/30 15/16-90/30 15/32-45/30 15/16-45/60 45/16-45/30 15/48-45/30 15/16-45/90 75/16-45/30 15/80-45/30