Subtract 70/45 from 2/4
1st number: 2/4, 2nd number: 1 25/45
2/4 - 70/45 is -19/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
2/4 = 2 × 45/4 × 45 = 90/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Subtract the two like fractions:
90/180 - 280/180 = 90 - 280/180 = -190/180 - After reducing the fraction, the answer is -19/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-70/45 2/4-70/90 6/4-70/45 2/12-70/45 10/4-70/45 2/20-70/45 14/4-70/45 2/28-70/45