Subtract 48/5 from 30/70
1st number: 30/70, 2nd number: 9 3/5
30/70 - 48/5 is -321/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
30/70 = 30 × 1/70 × 1 = 30/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
48/5 = 48 × 14/5 × 14 = 672/70 - Subtract the two like fractions:
30/70 - 672/70 = 30 - 672/70 = -642/70 - After reducing the fraction, the answer is -321/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70-48/5 30/70-96/5 30/70-48/10 90/70-48/5 30/70-48/15 30/70-48/25 30/70-48/35