Answers

Add 56/12 and 54/80

1^st number: 4 8/12, 2^nd number: 54/80

56/12 + 54/80 is 641/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 12 × 20 = 240,
   56/12 = 56 × 20/12 × 20 = 1120/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   54/80 = 54 × 3/80 × 3 = 162/240
4. Add the two like fractions:
   1120/240 + 162/240 = 1120 + 162/240 = 1282/240
5. 1282/240 simplified gives 641/120
6. So, 56/12 + 54/80 = 641/120
   In mixed form: 541/120

MathStep (Works offline)

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

Related: ⁵⁶/₂₄+⁵⁴/₈₀ ⁵⁶/₃₆+⁵⁴/₈₀ ⁵⁶/₆₀+⁵⁴/₈₀ ⁵⁶/₈₄+⁵⁴/₈₀

Add Fractions Calculator