Answers

Add 54/15 and 98/72

1^st number: 3 9/15, 2^nd number: 1 26/72

54/15 + 98/72 is 893/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 15 × 24 = 360,
   54/15 = 54 × 24/15 × 24 = 1296/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   98/72 = 98 × 5/72 × 5 = 490/360
4. Add the two like fractions:
   1296/360 + 490/360 = 1296 + 490/360 = 1786/360
5. 1786/360 simplified gives 893/180
6. So, 54/15 + 98/72 = 893/180
   In mixed form: 4173/180

MathStep (Works offline)

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

Related: ⁵⁴/₃₀+⁹⁸/₇₂ ⁵⁴/₄₅+⁹⁸/₇₂ ⁵⁴/₇₅+⁹⁸/₇₂

Add Fractions Calculator