Answers

Add 80/45 and 63/30

1^st number: 1 35/45, 2^nd number: 2 3/30

80/45 + 63/30 is 349/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 30 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   80/45 = 80 × 2/45 × 2 = 160/90
3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
   63/30 = 63 × 3/30 × 3 = 189/90
4. Add the two like fractions:
   160/90 + 189/90 = 160 + 189/90 = 349/90
5. So, 80/45 + 63/30 = 349/90
   In mixed form: 379/90

MathStep (Works offline)

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

Related: ⁸⁰/₉₀+⁶³/₃₀ ⁸⁰/₄₅+⁶³/₆₀ ⁸⁰/₄₅+⁶³/₉₀

Add Fractions Calculator