Subtract 50/4 from 5/70
1st number: 5/70, 2nd number: 12 2/4
5/70 - 50/4 is -87/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
50/4 = 50 × 35/4 × 35 = 1750/140 - Subtract the two like fractions:
10/140 - 1750/140 = 10 - 1750/140 = -1740/140 - After reducing the fraction, the answer is -87/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70-50/4 5/70-50/8 15/70-50/4 5/70-50/12 25/70-50/4 5/70-50/20 35/70-50/4 5/70-50/28