Answers

Add 72/36 and 7/98

1^st number: 2 0/36, 2^nd number: 7/98

72/36 + 7/98 is 29/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 98 is 1764
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1764
2. For the 1st fraction, since 36 × 49 = 1764,
   72/36 = 72 × 49/36 × 49 = 3528/1764
3. Likewise, for the 2nd fraction, since 98 × 18 = 1764,
   7/98 = 7 × 18/98 × 18 = 126/1764
4. Add the two like fractions:
   3528/1764 + 126/1764 = 3528 + 126/1764 = 3654/1764
5. 3654/1764 simplified gives 29/14
6. So, 72/36 + 7/98 = 29/14
   In mixed form: 21/14

MathStep (Works offline)

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

Related: ⁷²/₃₆+¹⁴/₉₈ ⁷²/₃₆+²¹/₉₈ ⁷²/₃₆+³⁵/₉₈ ⁷²/₃₆+⁴⁹/₉₈

Add Fractions Calculator