Subtract 75/42 from 2/30
1st number: 2/30, 2nd number: 1 33/42
2/30 - 75/42 is -361/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
2/30 = 2 × 7/30 × 7 = 14/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
75/42 = 75 × 5/42 × 5 = 375/210 - Subtract the two like fractions:
14/210 - 375/210 = 14 - 375/210 = -361/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-75/42 2/60-75/42 2/30-75/84 6/30-75/42 2/90-75/42 10/30-75/42 14/30-75/42