Answers

Add 90/30 and 96/80

1^st number: 3 0/30, 2^nd number: 1 16/80

90/30 + 96/80 is 21/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 30 × 8 = 240,
   90/30 = 90 × 8/30 × 8 = 720/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   96/80 = 96 × 3/80 × 3 = 288/240
4. Add the two like fractions:
   720/240 + 288/240 = 720 + 288/240 = 1008/240
5. 1008/240 simplified gives 21/5
6. So, 90/30 + 96/80 = 21/5
   In mixed form: 41/5

MathStep (Works offline)

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

Related: ⁹⁰/₆₀+⁹⁶/₈₀

Add Fractions Calculator