Answers

Add 90/60 and 36/40

1^st number: 1 30/60, 2^nd number: 36/40

90/60 + 36/40 is 12/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 60 × 2 = 120,
   90/60 = 90 × 2/60 × 2 = 180/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   36/40 = 36 × 3/40 × 3 = 108/120
4. Add the two like fractions:
   180/120 + 108/120 = 180 + 108/120 = 288/120
5. 288/120 simplified gives 12/5
6. So, 90/60 + 36/40 = 12/5
   In mixed form: 22/5

MathStep (Works offline)

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

Related: ⁹⁰/₆₀+⁷²/₄₀ ⁹⁰/₆₀+³⁶/₈₀

Add Fractions Calculator