Subtract 5/45 from 60/70
60/70 - 5/45 is 47/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
60/70 = 60 × 9/70 × 9 = 540/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
5/45 = 5 × 14/45 × 14 = 70/630 - Subtract the two like fractions:
540/630 - 70/630 = 540 - 70/630 = 470/630 - After reducing the fraction, the answer is 47/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70-10/45 60/70-5/90 60/70-15/45 60/70-25/45 60/70-35/45