Answers

Add 72/18 and 98/60

1^st number: 4 0/18, 2^nd number: 1 38/60

72/18 + 98/60 is 169/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 18 × 10 = 180,
   72/18 = 72 × 10/18 × 10 = 720/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   98/60 = 98 × 3/60 × 3 = 294/180
4. Add the two like fractions:
   720/180 + 294/180 = 720 + 294/180 = 1014/180
5. 1014/180 simplified gives 169/30
6. So, 72/18 + 98/60 = 169/30
   In mixed form: 519/30

MathStep (Works offline)

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

Related: ⁷²/₃₆+⁹⁸/₆₀ ⁷²/₅₄+⁹⁸/₆₀ ⁷²/₉₀+⁹⁸/₆₀

Add Fractions Calculator