Subtract 54/16 from 70/28
1st number: 2 14/28, 2nd number: 3 6/16
70/28 - 54/16 is -7/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
70/28 = 70 × 4/28 × 4 = 280/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
54/16 = 54 × 7/16 × 7 = 378/112 - Subtract the two like fractions:
280/112 - 378/112 = 280 - 378/112 = -98/112 - After reducing the fraction, the answer is -7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56-54/16 70/28-54/32 70/84-54/16 70/28-54/48 70/28-54/80