Subtract 30/16 from 45/75
1st number: 45/75, 2nd number: 1 14/16
45/75 - 30/16 is -51/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
45/75 = 45 × 16/75 × 16 = 720/1200 - Likewise, for the 2nd fraction, since 16 × 75 = 1200,
30/16 = 30 × 75/16 × 75 = 2250/1200 - Subtract the two like fractions:
720/1200 - 2250/1200 = 720 - 2250/1200 = -1530/1200 - After reducing the fraction, the answer is -51/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75-30/16 45/75-60/16 45/75-30/32 45/75-90/16 45/75-30/48 45/75-30/80