Add 15/16 and 56/54, Solve 15/16 + 1 2/54 as a fraction

Add 15/16 and 56/54

1^st number: 15/16, 2^nd number: 1 2/54

15/16 + 56/54 is 853/432.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 54 is 432

Next, find the equivalent fraction of both fractional numbers with denominator 432
For the 1st fraction, since 16 × 27 = 432,
15/16 = 15 × 27/16 × 27 = 405/432
Likewise, for the 2nd fraction, since 54 × 8 = 432,
56/54 = 56 × 8/54 × 8 = 448/432
Add the two like fractions:
405/432 + 448/432 = 405 + 448/432 = 853/432
So, 15/16 + 56/54 = 853/432
In mixed form: 1421/432

MathStep (Works offline)

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