Subtract 4/7 from 45/50
45/50 - 4/7 is 23/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 7 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
45/50 = 45 × 7/50 × 7 = 315/350 - Likewise, for the 2nd fraction, since 7 × 50 = 350,
4/7 = 4 × 50/7 × 50 = 200/350 - Subtract the two like fractions:
315/350 - 200/350 = 315 - 200/350 = 115/350 - After reducing the fraction, the answer is 23/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50-4/7 45/50-8/7 45/50-4/14 45/50-12/7 45/50-4/21 45/50-20/7 45/50-4/35 45/50-28/7 45/50-4/49