Subtract 24/45 from 70/84
70/84 - 24/45 is 3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
70/84 = 70 × 15/84 × 15 = 1050/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
24/45 = 24 × 28/45 × 28 = 672/1260 - Subtract the two like fractions:
1050/1260 - 672/1260 = 1050 - 672/1260 = 378/1260 - After reducing the fraction, the answer is 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84-48/45 70/84-24/90 70/84-72/45