Subtract 1/42 from 84/5
1st number: 16 4/5, 2nd number: 1/42
84/5 - 1/42 is 3523/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
84/5 = 84 × 42/5 × 42 = 3528/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
1/42 = 1 × 5/42 × 5 = 5/210 - Subtract the two like fractions:
3528/210 - 5/210 = 3528 - 5/210 = 3523/210 - In mixed form: 16163/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5-2/42 84/10-1/42 84/5-1/84 84/5-3/42 84/15-1/42 84/5-5/42 84/25-1/42 84/5-7/42 84/35-1/42