Subtract 14/12 from 42/35
1st number: 1 7/35, 2nd number: 1 2/12
42/35 - 14/12 is 1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
42/35 = 42 × 12/35 × 12 = 504/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
14/12 = 14 × 35/12 × 35 = 490/420 - Subtract the two like fractions:
504/420 - 490/420 = 504 - 490/420 = 14/420 - After reducing the fraction, the answer is 1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35-14/12 42/35-28/12 42/70-14/12 42/35-14/24 42/35-42/12 42/35-14/36 42/35-70/12 42/35-14/60 42/35-98/12 42/35-14/84