Answers

Add 21/96 and 84/70

1^st number: 21/96, 2^nd number: 1 14/70

21/96 + 84/70 is 227/160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 70 is 3360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3360
2. For the 1st fraction, since 96 × 35 = 3360,
   21/96 = 21 × 35/96 × 35 = 735/3360
3. Likewise, for the 2nd fraction, since 70 × 48 = 3360,
   84/70 = 84 × 48/70 × 48 = 4032/3360
4. Add the two like fractions:
   735/3360 + 4032/3360 = 735 + 4032/3360 = 4767/3360
5. 4767/3360 simplified gives 227/160
6. So, 21/96 + 84/70 = 227/160
   In mixed form: 167/160

MathStep (Works offline)

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

Related: ⁴²/₉₆+⁸⁴/₇₀ ⁶³/₉₆+⁸⁴/₇₀

Add Fractions Calculator