Subtract 14/30 from 27/42
27/42 - 14/30 is 37/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
27/42 = 27 × 5/42 × 5 = 135/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
14/30 = 14 × 7/30 × 7 = 98/210 - Subtract the two like fractions:
135/210 - 98/210 = 135 - 98/210 = 37/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42-14/30 27/42-28/30 27/84-14/30 27/42-14/60 81/42-14/30 27/42-42/30 27/42-14/90 27/42-70/30 27/42-98/30