Answers

Add 56/54 and 84/15

1^st number: 1 2/54, 2^nd number: 5 9/15

56/54 + 84/15 is 896/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 15 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   56/54 = 56 × 5/54 × 5 = 280/270
3. Likewise, for the 2nd fraction, since 15 × 18 = 270,
   84/15 = 84 × 18/15 × 18 = 1512/270
4. Add the two like fractions:
   280/270 + 1512/270 = 280 + 1512/270 = 1792/270
5. 1792/270 simplified gives 896/135
6. So, 56/54 + 84/15 = 896/135
   In mixed form: 686/135

MathStep (Works offline)

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

Related: ⁵⁶/₅₄+⁸⁴/₃₀ ⁵⁶/₅₄+⁸⁴/₄₅ ⁵⁶/₅₄+⁸⁴/₇₅

Add Fractions Calculator