Answers

Add 30/75 and 48/40

1^st number: 30/75, 2^nd number: 1 8/40

30/75 + 48/40 is 8/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 40 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 75 × 8 = 600,
   30/75 = 30 × 8/75 × 8 = 240/600
3. Likewise, for the 2nd fraction, since 40 × 15 = 600,
   48/40 = 48 × 15/40 × 15 = 720/600
4. Add the two like fractions:
   240/600 + 720/600 = 240 + 720/600 = 960/600
5. 960/600 simplified gives 8/5
6. So, 30/75 + 48/40 = 8/5
   In mixed form: 13/5

MathStep (Works offline)

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

Related: ⁶⁰/₇₅+⁴⁸/₄₀ ³⁰/₇₅+⁹⁶/₄₀ ³⁰/₇₅+⁴⁸/₈₀ ⁹⁰/₇₅+⁴⁸/₄₀

Add Fractions Calculator