Answers

Add 90/84 and 24/72

1^st number: 1 6/84, 2^nd number: 24/72

90/84 + 24/72 is 59/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 84 × 6 = 504,
   90/84 = 90 × 6/84 × 6 = 540/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   24/72 = 24 × 7/72 × 7 = 168/504
4. Add the two like fractions:
   540/504 + 168/504 = 540 + 168/504 = 708/504
5. 708/504 simplified gives 59/42
6. So, 90/84 + 24/72 = 59/42
   In mixed form: 117/42

MathStep (Works offline)

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

Related: ⁹⁰/₈₄+⁴⁸/₇₂

Add Fractions Calculator