Answers

Add 54/40 and 84/18

1^st number: 1 14/40, 2^nd number: 4 12/18

54/40 + 84/18 is 361/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 18 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   54/40 = 54 × 9/40 × 9 = 486/360
3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
   84/18 = 84 × 20/18 × 20 = 1680/360
4. Add the two like fractions:
   486/360 + 1680/360 = 486 + 1680/360 = 2166/360
5. 2166/360 simplified gives 361/60
6. So, 54/40 + 84/18 = 361/60
   In mixed form: 61/60

MathStep (Works offline)

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

Related: ⁵⁴/₈₀+⁸⁴/₁₈ ⁵⁴/₄₀+⁸⁴/₃₆ ⁵⁴/₄₀+⁸⁴/₅₄ ⁵⁴/₄₀+⁸⁴/₉₀

Add Fractions Calculator