Add 90/6 and 81/75, Solve 15 0/6 + 1 6/75 as a fraction

Add 90/6 and 81/75

1^st number: 15 0/6, 2^nd number: 1 6/75

90/6 + 81/75 is 402/25.

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,
90/6 = 90 × 25/6 × 25 = 2250/150
Likewise, for the 2nd fraction, since 75 × 2 = 150,
81/75 = 81 × 2/75 × 2 = 162/150
Add the two like fractions:
2250/150 + 162/150 = 2250 + 162/150 = 2412/150
2412/150 simplified gives 402/25
So, 90/6 + 81/75 = 402/25
In mixed form: 162/25

MathStep (Works offline)

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