Add 40/5 and 10/84, Solve 8 0/5 + 10/84 as a fraction

Add 40/5 and 10/84

1^st number: 8 0/5, 2^nd number: 10/84

40/5 + 10/84 is 341/42.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 5 × 84 = 420,
40/5 = 40 × 84/5 × 84 = 3360/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
10/84 = 10 × 5/84 × 5 = 50/420
Add the two like fractions:
3360/420 + 50/420 = 3360 + 50/420 = 3410/420
3410/420 simplified gives 341/42
So, 40/5 + 10/84 = 341/42
In mixed form: 85/42

MathStep (Works offline)

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