Answers

Add 98/90 and 36/45

1^st number: 1 8/90, 2^nd number: 36/45

98/90 + 36/45 is 17/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   98/90 = 98 × 1/90 × 1 = 98/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   36/45 = 36 × 2/45 × 2 = 72/90
4. Add the two like fractions:
   98/90 + 72/90 = 98 + 72/90 = 170/90
5. 170/90 simplified gives 17/9
6. So, 98/90 + 36/45 = 17/9
   In mixed form: 18/9

MathStep (Works offline)

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

Related: ⁹⁸/₉₀+⁷²/₄₅ ⁹⁸/₉₀+³⁶/₉₀

Add Fractions Calculator