Answers

Add 48/24 and 21/84

1^st number: 2 0/24, 2^nd number: 21/84

48/24 + 21/84 is 9/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 84 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 24 × 7 = 168,
   48/24 = 48 × 7/24 × 7 = 336/168
3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
   21/84 = 21 × 2/84 × 2 = 42/168
4. Add the two like fractions:
   336/168 + 42/168 = 336 + 42/168 = 378/168
5. 378/168 simplified gives 9/4
6. So, 48/24 + 21/84 = 9/4
   In mixed form: 21/4

MathStep (Works offline)

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

Related: ⁹⁶/₂₄+²¹/₈₄ ⁴⁸/₂₄+⁴²/₈₄ ⁴⁸/₂₄+⁶³/₈₄ ⁴⁸/₇₂+²¹/₈₄

Add Fractions Calculator