Subtract 16/42 from 45/10
1st number: 4 5/10, 2nd number: 16/42
45/10 - 16/42 is 173/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
45/10 = 45 × 21/10 × 21 = 945/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
16/42 = 16 × 5/42 × 5 = 80/210 - Subtract the two like fractions:
945/210 - 80/210 = 945 - 80/210 = 865/210 - After reducing the fraction, the answer is 173/42
- In mixed form: 45/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-16/42 45/10-32/42 45/20-16/42 45/10-16/84 45/10-48/42 45/30-16/42 45/10-80/42 45/50-16/42 45/70-16/42