Answers

Add 15/30 and 98/72

1^st number: 15/30, 2^nd number: 1 26/72

15/30 + 98/72 is 67/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 30 × 12 = 360,
   15/30 = 15 × 12/30 × 12 = 180/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   98/72 = 98 × 5/72 × 5 = 490/360
4. Add the two like fractions:
   180/360 + 490/360 = 180 + 490/360 = 670/360
5. 670/360 simplified gives 67/36
6. So, 15/30 + 98/72 = 67/36
   In mixed form: 131/36

MathStep (Works offline)

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

Related: ¹⁵/₆₀+⁹⁸/₇₂ ⁴⁵/₃₀+⁹⁸/₇₂ ¹⁵/₉₀+⁹⁸/₇₂ ⁷⁵/₃₀+⁹⁸/₇₂

Add Fractions Calculator