Subtract 14/7 from 42/2
1st number: 21 0/2, 2nd number: 2 0/7
42/2 - 14/7 is 19/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
42/2 = 42 × 7/2 × 7 = 294/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
14/7 = 14 × 2/7 × 2 = 28/14 - Subtract the two like fractions:
294/14 - 28/14 = 294 - 28/14 = 266/14 - After reducing the fraction, the answer is 19/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-14/7 42/2-28/7 42/4-14/7 42/2-42/7 42/6-14/7 42/2-14/21 42/2-70/7 42/10-14/7 42/2-14/35 42/2-98/7 42/14-14/7 42/2-14/49