Subtract 7/12 from 45/75
45/75 - 7/12 is 1/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
45/75 = 45 × 4/75 × 4 = 180/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
7/12 = 7 × 25/12 × 25 = 175/300 - Subtract the two like fractions:
180/300 - 175/300 = 180 - 175/300 = 5/300 - After reducing the fraction, the answer is 1/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75-7/12 45/75-14/12 45/75-7/24 45/75-21/12 45/75-7/36 45/75-35/12 45/75-7/60 45/75-49/12 45/75-7/84