Answers

Add 56/45 and 98/80

1^st number: 1 11/45, 2^nd number: 1 18/80

56/45 + 98/80 is 889/360.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 45 × 16 = 720,
   56/45 = 56 × 16/45 × 16 = 896/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   98/80 = 98 × 9/80 × 9 = 882/720
4. Add the two like fractions:
   896/720 + 882/720 = 896 + 882/720 = 1778/720
5. 1778/720 simplified gives 889/360
6. So, 56/45 + 98/80 = 889/360
   In mixed form: 2169/360

MathStep (Works offline)

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

Related: ⁵⁶/₉₀+⁹⁸/₈₀

Add Fractions Calculator