Subtract 6/40 from 60/70
60/70 - 6/40 is 99/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
60/70 = 60 × 4/70 × 4 = 240/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
6/40 = 6 × 7/40 × 7 = 42/280 - Subtract the two like fractions:
240/280 - 42/280 = 240 - 42/280 = 198/280 - After reducing the fraction, the answer is 99/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70-12/40 60/70-6/80 60/70-18/40 60/70-30/40 60/70-42/40