Subtract 42/28 from 70/16
1st number: 4 6/16, 2nd number: 1 14/28
70/16 - 42/28 is 23/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 28 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
70/16 = 70 × 7/16 × 7 = 490/112 - Likewise, for the 2nd fraction, since 28 × 4 = 112,
42/28 = 42 × 4/28 × 4 = 168/112 - Subtract the two like fractions:
490/112 - 168/112 = 490 - 168/112 = 322/112 - After reducing the fraction, the answer is 23/8
- In mixed form: 27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16-84/28 70/32-42/28 70/16-42/56 70/48-42/28 70/16-42/84 70/80-42/28