Subtract 70/16 from 4/45
1st number: 4/45, 2nd number: 4 6/16
4/45 - 70/16 is -1543/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
4/45 = 4 × 16/45 × 16 = 64/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
70/16 = 70 × 45/16 × 45 = 3150/720 - Subtract the two like fractions:
64/720 - 3150/720 = 64 - 3150/720 = -3086/720 - After reducing the fraction, the answer is -1543/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45-70/16 4/90-70/16 4/45-70/32 12/45-70/16 4/45-70/48 20/45-70/16 4/45-70/80 28/45-70/16