Subtract 50/42 from 49/30
1st number: 1 19/30, 2nd number: 1 8/42
49/30 - 50/42 is 31/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
49/30 = 49 × 7/30 × 7 = 343/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
50/42 = 50 × 5/42 × 5 = 250/210 - Subtract the two like fractions:
343/210 - 250/210 = 343 - 250/210 = 93/210 - After reducing the fraction, the answer is 31/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-50/42 49/60-50/42 49/30-50/84 49/90-50/42