Subtract 20/70 from 45/16
1st number: 2 13/16, 2nd number: 20/70
45/16 - 20/70 is 283/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
45/16 = 45 × 35/16 × 35 = 1575/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
20/70 = 20 × 8/70 × 8 = 160/560 - Subtract the two like fractions:
1575/560 - 160/560 = 1575 - 160/560 = 1415/560 - After reducing the fraction, the answer is 283/112
- In mixed form: 259/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16-20/70 45/16-40/70 45/32-20/70 45/16-60/70 45/48-20/70 45/80-20/70