Subtract 16/42 from 14/70
14/70 - 16/42 is -19/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
14/70 = 14 × 3/70 × 3 = 42/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
16/42 = 16 × 5/42 × 5 = 80/210 - Subtract the two like fractions:
42/210 - 80/210 = 42 - 80/210 = -38/210 - After reducing the fraction, the answer is -19/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70-16/42 14/70-32/42 14/70-16/84 42/70-16/42 14/70-48/42 14/70-80/42 98/70-16/42