Answers

Add 40/64 and 84/80

1^st number: 40/64, 2^nd number: 1 4/80

40/64 + 84/80 is 67/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 80 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   40/64 = 40 × 5/64 × 5 = 200/320
3. Likewise, for the 2nd fraction, since 80 × 4 = 320,
   84/80 = 84 × 4/80 × 4 = 336/320
4. Add the two like fractions:
   200/320 + 336/320 = 200 + 336/320 = 536/320
5. 536/320 simplified gives 67/40
6. So, 40/64 + 84/80 = 67/40
   In mixed form: 127/40

MathStep (Works offline)

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

Related: ⁸⁰/₆₄+⁸⁴/₈₀

Add Fractions Calculator