Answers

Add 70/25 and 50/90

1^st number: 2 20/25, 2^nd number: 50/90

70/25 + 50/90 is 151/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 25 × 18 = 450,
   70/25 = 70 × 18/25 × 18 = 1260/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   50/90 = 50 × 5/90 × 5 = 250/450
4. Add the two like fractions:
   1260/450 + 250/450 = 1260 + 250/450 = 1510/450
5. 1510/450 simplified gives 151/45
6. So, 70/25 + 50/90 = 151/45
   In mixed form: 316/45

MathStep (Works offline)

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

Related: ⁷⁰/₅₀+⁵⁰/₉₀ ⁷⁰/₇₅+⁵⁰/₉₀

Add Fractions Calculator