Answers

Add 72/4 and 84/56

1^st number: 18 0/4, 2^nd number: 1 28/56

72/4 + 84/56 is 39/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 56 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 4 × 14 = 56,
   72/4 = 72 × 14/4 × 14 = 1008/56
3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
   84/56 = 84 × 1/56 × 1 = 84/56
4. Add the two like fractions:
   1008/56 + 84/56 = 1008 + 84/56 = 1092/56
5. 1092/56 simplified gives 39/2
6. So, 72/4 + 84/56 = 39/2
   In mixed form: 191/2

MathStep (Works offline)

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

Related: ⁷²/₈+⁸⁴/₅₆ ⁷²/₁₂+⁸⁴/₅₆ ⁷²/₂₀+⁸⁴/₅₆ ⁷²/₂₈+⁸⁴/₅₆

Add Fractions Calculator