Subtract 15/90 from 16/14
1st number: 1 2/14, 2nd number: 15/90
16/14 - 15/90 is 41/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
16/14 = 16 × 45/14 × 45 = 720/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630 - Subtract the two like fractions:
720/630 - 105/630 = 720 - 105/630 = 615/630 - After reducing the fraction, the answer is 41/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/14-15/90 16/14-30/90 16/28-15/90 48/14-15/90 16/14-45/90 16/42-15/90 80/14-15/90 16/14-75/90 16/70-15/90 16/98-15/90