Subtract 70/16 from 45/7
1st number: 6 3/7, 2nd number: 4 6/16
45/7 - 70/16 is 115/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
45/7 = 45 × 16/7 × 16 = 720/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
70/16 = 70 × 7/16 × 7 = 490/112 - Subtract the two like fractions:
720/112 - 490/112 = 720 - 490/112 = 230/112 - After reducing the fraction, the answer is 115/56
- In mixed form: 23/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-70/16 45/14-70/16 45/7-70/32 45/21-70/16 45/7-70/48 45/35-70/16 45/7-70/80 45/49-70/16