Answers

Add 54/72 and 36/30

1^st number: 54/72, 2^nd number: 1 6/30

54/72 + 36/30 is 39/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 30 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   54/72 = 54 × 5/72 × 5 = 270/360
3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
   36/30 = 36 × 12/30 × 12 = 432/360
4. Add the two like fractions:
   270/360 + 432/360 = 270 + 432/360 = 702/360
5. 702/360 simplified gives 39/20
6. So, 54/72 + 36/30 = 39/20
   In mixed form: 119/20

MathStep (Works offline)

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

Related: ⁵⁴/₇₂+⁷²/₃₀ ⁵⁴/₇₂+³⁶/₆₀ ⁵⁴/₇₂+³⁶/₉₀

Add Fractions Calculator