Answers

Add 80/90 and 80/50

1^st number: 80/90, 2^nd number: 1 30/50

80/90 + 80/50 is 112/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 50 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 90 × 5 = 450,
   80/90 = 80 × 5/90 × 5 = 400/450
3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
   80/50 = 80 × 9/50 × 9 = 720/450
4. Add the two like fractions:
   400/450 + 720/450 = 400 + 720/450 = 1120/450
5. 1120/450 simplified gives 112/45
6. So, 80/90 + 80/50 = 112/45
   In mixed form: 222/45

MathStep (Works offline)

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

Related:

Add Fractions Calculator