Subtract 30/42 from 1/35
1/35 - 30/42 is -24/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
1/35 = 1 × 6/35 × 6 = 6/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
30/42 = 30 × 5/42 × 5 = 150/210 - Subtract the two like fractions:
6/210 - 150/210 = 6 - 150/210 = -144/210 - After reducing the fraction, the answer is -24/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/35-30/42 1/35-60/42 1/70-30/42 1/35-30/84 3/35-30/42 1/35-90/42 5/35-30/42 7/35-30/42