Subtract 28/10 from 84/16, Solve 5 4/16

Subtract 28/10 from 84/16

1^st number: 5 4/16, 2^nd number: 2 8/10

84/16 - 28/10 is 49/20.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 16 × 5 = 80,
84/16 = 84 × 5/16 × 5 = 420/80
Likewise, for the 2nd fraction, since 10 × 8 = 80,
28/10 = 28 × 8/10 × 8 = 224/80
Subtract the two like fractions:
420/80 - 224/80 = 420 - 224/80 = 196/80
After reducing the fraction, the answer is 49/20
In mixed form: 29/20

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad