Subtract 60/70 from 3/75
3/75 - 60/70 is -143/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
3/75 = 3 × 14/75 × 14 = 42/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
60/70 = 60 × 15/70 × 15 = 900/1050 - Subtract the two like fractions:
42/1050 - 900/1050 = 42 - 900/1050 = -858/1050 - After reducing the fraction, the answer is -143/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/75-60/70 9/75-60/70 15/75-60/70 21/75-60/70