Answers

Add 63/84 and 72/5

1^st number: 63/84, 2^nd number: 14 2/5

63/84 + 72/5 is 303/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 5 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   63/84 = 63 × 5/84 × 5 = 315/420
3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
   72/5 = 72 × 84/5 × 84 = 6048/420
4. Add the two like fractions:
   315/420 + 6048/420 = 315 + 6048/420 = 6363/420
5. 6363/420 simplified gives 303/20
6. So, 63/84 + 72/5 = 303/20
   In mixed form: 153/20

MathStep (Works offline)

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

Related: ⁶³/₈₄+⁷²/₁₀ ⁶³/₈₄+⁷²/₁₅ ⁶³/₈₄+⁷²/₂₅ ⁶³/₈₄+⁷²/₃₅

Add Fractions Calculator