Subtract 70/45 from 28/16
1st number: 1 12/16, 2nd number: 1 25/45
28/16 - 70/45 is 7/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
28/16 = 28 × 45/16 × 45 = 1260/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
70/45 = 70 × 16/45 × 16 = 1120/720 - Subtract the two like fractions:
1260/720 - 1120/720 = 1260 - 1120/720 = 140/720 - After reducing the fraction, the answer is 7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16-70/45 28/32-70/45 28/16-70/90 84/16-70/45 28/48-70/45 28/80-70/45