Subtract 50/42 from 9/2
1st number: 4 1/2, 2nd number: 1 8/42
9/2 - 50/42 is 139/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
9/2 = 9 × 21/2 × 21 = 189/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
50/42 = 50 × 1/42 × 1 = 50/42 - Subtract the two like fractions:
189/42 - 50/42 = 189 - 50/42 = 139/42 - In mixed form: 313/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2-50/42 9/4-50/42 9/2-50/84 27/2-50/42 9/6-50/42 45/2-50/42 9/10-50/42 63/2-50/42 9/14-50/42