Answers

Add 20/28 and 45/10

1^st number: 20/28, 2^nd number: 4 5/10

20/28 + 45/10 is 73/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 10 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   20/28 = 20 × 5/28 × 5 = 100/140
3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
   45/10 = 45 × 14/10 × 14 = 630/140
4. Add the two like fractions:
   100/140 + 630/140 = 100 + 630/140 = 730/140
5. 730/140 simplified gives 73/14
6. So, 20/28 + 45/10 = 73/14
   In mixed form: 53/14

MathStep (Works offline)

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

Related: ⁴⁰/₂₈+⁴⁵/₁₀ ²⁰/₂₈+⁹⁰/₁₀ ²⁰/₅₆+⁴⁵/₁₀ ²⁰/₂₈+⁴⁵/₂₀ ⁶⁰/₂₈+⁴⁵/₁₀ ²⁰/₈₄+⁴⁵/₁₀ ²⁰/₂₈+⁴⁵/₃₀ ²⁰/₂₈+⁴⁵/₅₀ ²⁰/₂₈+⁴⁵/₇₀

Add Fractions Calculator