Subtract 14/15 from 70/40
1st number: 1 30/40, 2nd number: 14/15
70/40 - 14/15 is 49/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
14/15 = 14 × 8/15 × 8 = 112/120 - Subtract the two like fractions:
210/120 - 112/120 = 210 - 112/120 = 98/120 - After reducing the fraction, the answer is 49/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-28/15 70/80-14/15 70/40-14/30 70/40-42/15 70/40-14/45 70/40-70/15 70/40-14/75 70/40-98/15