Answers

Add 84/25 and 84/72

1^st number: 3 9/25, 2^nd number: 1 12/72

84/25 + 84/72 is 679/150.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 25 × 72 = 1800,
   84/25 = 84 × 72/25 × 72 = 6048/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   84/72 = 84 × 25/72 × 25 = 2100/1800
4. Add the two like fractions:
   6048/1800 + 2100/1800 = 6048 + 2100/1800 = 8148/1800
5. 8148/1800 simplified gives 679/150
6. So, 84/25 + 84/72 = 679/150
   In mixed form: 479/150

MathStep (Works offline)

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

Related: ⁸⁴/₅₀+⁸⁴/₇₂ ⁸⁴/₇₅+⁸⁴/₇₂

Add Fractions Calculator