Answers

Add 70/75 and 90/40

1^st number: 70/75, 2^nd number: 2 10/40

70/75 + 90/40 is 191/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 40 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 75 × 8 = 600,
   70/75 = 70 × 8/75 × 8 = 560/600
3. Likewise, for the 2nd fraction, since 40 × 15 = 600,
   90/40 = 90 × 15/40 × 15 = 1350/600
4. Add the two like fractions:
   560/600 + 1350/600 = 560 + 1350/600 = 1910/600
5. 1910/600 simplified gives 191/60
6. So, 70/75 + 90/40 = 191/60
   In mixed form: 311/60

MathStep (Works offline)

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

Related: ⁷⁰/₇₅+⁹⁰/₈₀

Add Fractions Calculator