Subtract 70/42 from 50/10
1st number: 5 0/10, 2nd number: 1 28/42
50/10 - 70/42 is 10/3.
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,
50/10 = 50 × 21/10 × 21 = 1050/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Subtract the two like fractions:
1050/210 - 350/210 = 1050 - 350/210 = 700/210 - After reducing the fraction, the answer is 10/3
- In mixed form: 31/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-70/42 50/10-70/84 50/30-70/42 50/70-70/42