Subtract 5/42 from 3/5
3/5 - 5/42 is 101/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
3/5 = 3 × 42/5 × 42 = 126/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
5/42 = 5 × 5/42 × 5 = 25/210 - Subtract the two like fractions:
126/210 - 25/210 = 126 - 25/210 = 101/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5-5/42 3/5-10/42 3/10-5/42 3/5-5/84 9/5-5/42 3/5-15/42 3/15-5/42 15/5-5/42 3/5-25/42 3/25-5/42 21/5-5/42 3/5-35/42 3/35-5/42