Subtract 10/4 from 42/9
1st number: 4 6/9, 2nd number: 2 2/4
42/9 - 10/4 is 13/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
42/9 = 42 × 4/9 × 4 = 168/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
10/4 = 10 × 9/4 × 9 = 90/36 - Subtract the two like fractions:
168/36 - 90/36 = 168 - 90/36 = 78/36 - After reducing the fraction, the answer is 13/6
- In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9-10/4 42/9-20/4 42/18-10/4 42/9-10/8 42/9-30/4 42/27-10/4 42/9-10/12 42/9-50/4 42/45-10/4 42/9-10/20 42/9-70/4 42/63-10/4 42/9-10/28