Subtract 24/70 from 35/45
35/45 - 24/70 is 137/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
35/45 = 35 × 14/45 × 14 = 490/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
24/70 = 24 × 9/70 × 9 = 216/630 - Subtract the two like fractions:
490/630 - 216/630 = 490 - 216/630 = 274/630 - After reducing the fraction, the answer is 137/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-24/70 35/45-48/70 35/90-24/70 35/45-72/70