Answers

Add 80/45 and 70/48

1^st number: 1 35/45, 2^nd number: 1 22/48

80/45 + 70/48 is 233/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 48 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 45 × 16 = 720,
   80/45 = 80 × 16/45 × 16 = 1280/720
3. Likewise, for the 2nd fraction, since 48 × 15 = 720,
   70/48 = 70 × 15/48 × 15 = 1050/720
4. Add the two like fractions:
   1280/720 + 1050/720 = 1280 + 1050/720 = 2330/720
5. 2330/720 simplified gives 233/72
6. So, 80/45 + 70/48 = 233/72
   In mixed form: 317/72

MathStep (Works offline)

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

Related: ⁸⁰/₉₀+⁷⁰/₄₈ ⁸⁰/₄₅+⁷⁰/₉₆

Add Fractions Calculator