Answers

Add 30/10 and 54/80

1^st number: 3 0/10, 2^nd number: 54/80

30/10 + 54/80 is 147/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 10 × 8 = 80,
   30/10 = 30 × 8/10 × 8 = 240/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   54/80 = 54 × 1/80 × 1 = 54/80
4. Add the two like fractions:
   240/80 + 54/80 = 240 + 54/80 = 294/80
5. 294/80 simplified gives 147/40
6. So, 30/10 + 54/80 = 147/40
   In mixed form: 327/40

MathStep (Works offline)

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

Related: ⁶⁰/₁₀+⁵⁴/₈₀ ³⁰/₂₀+⁵⁴/₈₀ ⁹⁰/₁₀+⁵⁴/₈₀ ³⁰/₅₀+⁵⁴/₈₀ ³⁰/₇₀+⁵⁴/₈₀

Add Fractions Calculator