Answers

Add 45/28 and 50/80

1^st number: 1 17/28, 2^nd number: 50/80

45/28 + 50/80 is 125/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 28 × 20 = 560,
   45/28 = 45 × 20/28 × 20 = 900/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   50/80 = 50 × 7/80 × 7 = 350/560
4. Add the two like fractions:
   900/560 + 350/560 = 900 + 350/560 = 1250/560
5. 1250/560 simplified gives 125/56
6. So, 45/28 + 50/80 = 125/56
   In mixed form: 213/56

MathStep (Works offline)

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

Related: ⁹⁰/₂₈+⁵⁰/₈₀ ⁴⁵/₅₆+⁵⁰/₈₀ ⁴⁵/₈₄+⁵⁰/₈₀

Add Fractions Calculator