Answers

Add 75/30 and 50/40

1^st number: 2 15/30, 2^nd number: 1 10/40

75/30 + 50/40 is 15/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 30 × 4 = 120,
   75/30 = 75 × 4/30 × 4 = 300/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   50/40 = 50 × 3/40 × 3 = 150/120
4. Add the two like fractions:
   300/120 + 150/120 = 300 + 150/120 = 450/120
5. 450/120 simplified gives 15/4
6. So, 75/30 + 50/40 = 15/4
   In mixed form: 33/4

MathStep (Works offline)

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

Related: ⁷⁵/₆₀+⁵⁰/₄₀ ⁷⁵/₃₀+⁵⁰/₈₀ ⁷⁵/₉₀+⁵⁰/₄₀

Add Fractions Calculator