Subtract 45/15 from 16/10
1st number: 1 6/10, 2nd number: 3 0/15
16/10 - 45/15 is -7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
16/10 = 16 × 3/10 × 3 = 48/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
45/15 = 45 × 2/15 × 2 = 90/30 - Subtract the two like fractions:
48/30 - 90/30 = 48 - 90/30 = -42/30 - After reducing the fraction, the answer is -7/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/10-45/15 16/10-90/15 16/20-45/15 16/10-45/30 48/10-45/15 16/30-45/15 80/10-45/15 16/50-45/15 16/10-45/75 16/70-45/15