Answers

Add 4/28 and 54/20

1^st number: 4/28, 2^nd number: 2 14/20

4/28 + 54/20 is 199/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   4/28 = 4 × 5/28 × 5 = 20/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   54/20 = 54 × 7/20 × 7 = 378/140
4. Add the two like fractions:
   20/140 + 378/140 = 20 + 378/140 = 398/140
5. 398/140 simplified gives 199/70
6. So, 4/28 + 54/20 = 199/70
   In mixed form: 259/70

MathStep (Works offline)

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

Related: ⁸/₂₈+⁵⁴/₂₀ ⁴/₅₆+⁵⁴/₂₀ ⁴/₂₈+⁵⁴/₄₀ ¹²/₂₈+⁵⁴/₂₀ ⁴/₈₄+⁵⁴/₂₀ ⁴/₂₈+⁵⁴/₆₀ ²⁰/₂₈+⁵⁴/₂₀

Add Fractions Calculator