Answers

Add 84/15 and 60/84

1^st number: 5 9/15, 2^nd number: 60/84

84/15 + 60/84 is 221/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 15 × 28 = 420,
   84/15 = 84 × 28/15 × 28 = 2352/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   60/84 = 60 × 5/84 × 5 = 300/420
4. Add the two like fractions:
   2352/420 + 300/420 = 2352 + 300/420 = 2652/420
5. 2652/420 simplified gives 221/35
6. So, 84/15 + 60/84 = 221/35
   In mixed form: 611/35

MathStep (Works offline)

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

Related: ⁸⁴/₃₀+⁶⁰/₈₄ ⁸⁴/₄₅+⁶⁰/₈₄ ⁸⁴/₇₅+⁶⁰/₈₄

Add Fractions Calculator