Subtract 2/70 from 50/30
1st number: 1 20/30, 2nd number: 2/70
50/30 - 2/70 is 172/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
50/30 = 50 × 7/30 × 7 = 350/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
2/70 = 2 × 3/70 × 3 = 6/210 - Subtract the two like fractions:
350/210 - 6/210 = 350 - 6/210 = 344/210 - After reducing the fraction, the answer is 172/105
- In mixed form: 167/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30-4/70 50/60-2/70 50/30-6/70 50/90-2/70 50/30-10/70 50/30-14/70