Subtract 30/70 from 48/4
1st number: 12 0/4, 2nd number: 30/70
48/4 - 30/70 is 81/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
48/4 = 48 × 35/4 × 35 = 1680/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
30/70 = 30 × 2/70 × 2 = 60/140 - Subtract the two like fractions:
1680/140 - 60/140 = 1680 - 60/140 = 1620/140 - After reducing the fraction, the answer is 81/7
- In mixed form: 114/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/4-30/70 48/4-60/70 48/8-30/70 48/4-90/70 48/12-30/70 48/20-30/70 48/28-30/70