Subtract 30/70 from 35/60
35/60 - 30/70 is 13/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
35/60 = 35 × 7/60 × 7 = 245/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
30/70 = 30 × 6/70 × 6 = 180/420 - Subtract the two like fractions:
245/420 - 180/420 = 245 - 180/420 = 65/420 - After reducing the fraction, the answer is 13/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60-30/70 35/60-60/70 35/60-90/70