Answers

Add 70/90 and 90/48

1^st number: 70/90, 2^nd number: 1 42/48

70/90 + 90/48 is 191/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 48 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   70/90 = 70 × 8/90 × 8 = 560/720
3. Likewise, for the 2nd fraction, since 48 × 15 = 720,
   90/48 = 90 × 15/48 × 15 = 1350/720
4. Add the two like fractions:
   560/720 + 1350/720 = 560 + 1350/720 = 1910/720
5. 1910/720 simplified gives 191/72
6. So, 70/90 + 90/48 = 191/72
   In mixed form: 247/72

MathStep (Works offline)

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

Related: ⁷⁰/₉₀+⁹⁰/₉₆

Add Fractions Calculator