Add 84/75 and 4/90, Solve 1 9/75 + 4/90 as a fraction

Add 84/75 and 4/90

1^st number: 1 9/75, 2^nd number: 4/90

84/75 + 4/90 is 262/225.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 75 × 6 = 450,
84/75 = 84 × 6/75 × 6 = 504/450
Likewise, for the 2nd fraction, since 90 × 5 = 450,
4/90 = 4 × 5/90 × 5 = 20/450
Add the two like fractions:
504/450 + 20/450 = 504 + 20/450 = 524/450
524/450 simplified gives 262/225
So, 84/75 + 4/90 = 262/225
In mixed form: 137/225

MathStep (Works offline)

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