Add 90/12 and 27/25, Solve 7 6/12 + 1 2/25 as a fraction

Add 90/12 and 27/25

1^st number: 7 6/12, 2^nd number: 1 2/25

90/12 + 27/25 is 429/50.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
90/12 = 90 × 25/12 × 25 = 2250/300
Likewise, for the 2nd fraction, since 25 × 12 = 300,
27/25 = 27 × 12/25 × 12 = 324/300
Add the two like fractions:
2250/300 + 324/300 = 2250 + 324/300 = 2574/300
2574/300 simplified gives 429/50
So, 90/12 + 27/25 = 429/50
In mixed form: 829/50

MathStep (Works offline)

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