Answers

Add 90/2 and 45/72

1^st number: 45 0/2, 2^nd number: 45/72

90/2 + 45/72 is 365/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 2 × 36 = 72,
   90/2 = 90 × 36/2 × 36 = 3240/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   45/72 = 45 × 1/72 × 1 = 45/72
4. Add the two like fractions:
   3240/72 + 45/72 = 3240 + 45/72 = 3285/72
5. 3285/72 simplified gives 365/8
6. So, 90/2 + 45/72 = 365/8
   In mixed form: 455/8

MathStep (Works offline)

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

Related: ⁹⁰/₂+⁹⁰/₇₂ ⁹⁰/₄+⁴⁵/₇₂ ⁹⁰/₆+⁴⁵/₇₂ ⁹⁰/₁₀+⁴⁵/₇₂ ⁹⁰/₁₄+⁴⁵/₇₂

Add Fractions Calculator