Answers

Add 90/4 and 90/72

1^st number: 22 2/4, 2^nd number: 1 18/72

90/4 + 90/72 is 95/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 4 × 18 = 72,
   90/4 = 90 × 18/4 × 18 = 1620/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   90/72 = 90 × 1/72 × 1 = 90/72
4. Add the two like fractions:
   1620/72 + 90/72 = 1620 + 90/72 = 1710/72
5. 1710/72 simplified gives 95/4
6. So, 90/4 + 90/72 = 95/4
   In mixed form: 233/4

MathStep (Works offline)

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

Related: ⁹⁰/₈+⁹⁰/₇₂ ⁹⁰/₁₂+⁹⁰/₇₂ ⁹⁰/₂₀+⁹⁰/₇₂ ⁹⁰/₂₈+⁹⁰/₇₂

Add Fractions Calculator