Subtract 25/30 from 30/35
30/35 - 25/30 is 1/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
30/35 = 30 × 6/35 × 6 = 180/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
25/30 = 25 × 7/30 × 7 = 175/210 - Subtract the two like fractions:
180/210 - 175/210 = 180 - 175/210 = 5/210 - After reducing the fraction, the answer is 1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35-25/30 30/35-50/30 30/70-25/30 30/35-25/60 90/35-25/30 30/35-75/30 30/35-25/90