Answers

Add 60/12 and 42/84

1^st number: 5 0/12, 2^nd number: 42/84

60/12 + 42/84 is 11/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   60/12 = 60 × 7/12 × 7 = 420/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   42/84 = 42 × 1/84 × 1 = 42/84
4. Add the two like fractions:
   420/84 + 42/84 = 420 + 42/84 = 462/84
5. 462/84 simplified gives 11/2
6. So, 60/12 + 42/84 = 11/2
   In mixed form: 51/2

MathStep (Works offline)

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

Related: ⁶⁰/₂₄+⁴²/₈₄ ⁶⁰/₃₆+⁴²/₈₄ ⁶⁰/₈₄+⁴²/₈₄

Add Fractions Calculator