Subtract 16/9 from 4/70
1st number: 4/70, 2nd number: 1 7/9
4/70 - 16/9 is -542/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
4/70 = 4 × 9/70 × 9 = 36/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
16/9 = 16 × 70/9 × 70 = 1120/630 - Subtract the two like fractions:
36/630 - 1120/630 = 36 - 1120/630 = -1084/630 - After reducing the fraction, the answer is -542/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70-16/9 4/70-32/9 4/70-16/18 12/70-16/9 4/70-48/9 4/70-16/27 20/70-16/9 4/70-80/9 4/70-16/45 28/70-16/9 4/70-16/63