Subtract 36/20 from 7/75
1st number: 7/75, 2nd number: 1 16/20
7/75 - 36/20 is -128/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
7/75 = 7 × 4/75 × 4 = 28/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
36/20 = 36 × 15/20 × 15 = 540/300 - Subtract the two like fractions:
28/300 - 540/300 = 28 - 540/300 = -512/300 - After reducing the fraction, the answer is -128/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-36/20 7/75-72/20 7/75-36/40 21/75-36/20 7/75-36/60 35/75-36/20 49/75-36/20