Answers

Add 25/12 and 45/90

1^st number: 2 1/12, 2^nd number: 45/90

25/12 + 45/90 is 31/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 12 × 15 = 180,
   25/12 = 25 × 15/12 × 15 = 375/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   45/90 = 45 × 2/90 × 2 = 90/180
4. Add the two like fractions:
   375/180 + 90/180 = 375 + 90/180 = 465/180
5. 465/180 simplified gives 31/12
6. So, 25/12 + 45/90 = 31/12
   In mixed form: 27/12

MathStep (Works offline)

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

Related: ⁵⁰/₁₂+⁴⁵/₉₀ ²⁵/₂₄+⁴⁵/₉₀ ⁷⁵/₁₂+⁴⁵/₉₀ ²⁵/₃₆+⁴⁵/₉₀ ²⁵/₆₀+⁴⁵/₉₀ ²⁵/₈₄+⁴⁵/₉₀

Add Fractions Calculator