Answers

Add 30/60 and 75/45

1^st number: 30/60, 2^nd number: 1 30/45

30/60 + 75/45 is 13/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   30/60 = 30 × 3/60 × 3 = 90/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   75/45 = 75 × 4/45 × 4 = 300/180
4. Add the two like fractions:
   90/180 + 300/180 = 90 + 300/180 = 390/180
5. 390/180 simplified gives 13/6
6. So, 30/60 + 75/45 = 13/6
   In mixed form: 21/6

MathStep (Works offline)

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

Related: ³⁰/₆₀+⁷⁵/₉₀ ⁹⁰/₆₀+⁷⁵/₄₅

Add Fractions Calculator