Answers

Add 70/50 and 6/90

1^st number: 1 20/50, 2^nd number: 6/90

70/50 + 6/90 is 22/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 50 × 9 = 450,
   70/50 = 70 × 9/50 × 9 = 630/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   6/90 = 6 × 5/90 × 5 = 30/450
4. Add the two like fractions:
   630/450 + 30/450 = 630 + 30/450 = 660/450
5. 660/450 simplified gives 22/15
6. So, 70/50 + 6/90 = 22/15
   In mixed form: 17/15

MathStep (Works offline)

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

Related: ⁷⁰/₅₀+¹²/₉₀ ⁷⁰/₅₀+¹⁸/₉₀ ⁷⁰/₅₀+³⁰/₉₀ ⁷⁰/₅₀+⁴²/₉₀

Add Fractions Calculator