Add 81/6 and 10/75, Solve 13 3/6 + 10/75 as a fraction

Add 81/6 and 10/75

1^st number: 13 3/6, 2^nd number: 10/75

81/6 + 10/75 is 409/30.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 75 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 6 × 25 = 150,
81/6 = 81 × 25/6 × 25 = 2025/150
Likewise, for the 2nd fraction, since 75 × 2 = 150,
10/75 = 10 × 2/75 × 2 = 20/150
Add the two like fractions:
2025/150 + 20/150 = 2025 + 20/150 = 2045/150
2045/150 simplified gives 409/30
So, 81/6 + 10/75 = 409/30
In mixed form: 1319/30

MathStep (Works offline)

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