Subtract 42/35 from 30/2
1st number: 15 0/2, 2nd number: 1 7/35
30/2 - 42/35 is 69/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
30/2 = 30 × 35/2 × 35 = 1050/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
42/35 = 42 × 2/35 × 2 = 84/70 - Subtract the two like fractions:
1050/70 - 84/70 = 1050 - 84/70 = 966/70 - After reducing the fraction, the answer is 69/5
- In mixed form: 134/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-42/35 30/2-84/35 30/4-42/35 30/2-42/70 90/2-42/35 30/6-42/35 30/10-42/35 30/14-42/35