Subtract 24/16 from 20/70
1st number: 20/70, 2nd number: 1 8/16
20/70 - 24/16 is -17/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
20/70 = 20 × 8/70 × 8 = 160/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
24/16 = 24 × 35/16 × 35 = 840/560 - Subtract the two like fractions:
160/560 - 840/560 = 160 - 840/560 = -680/560 - After reducing the fraction, the answer is -17/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/70-24/16 20/70-48/16 20/70-24/32 60/70-24/16 20/70-72/16 20/70-24/48 20/70-24/80