Answers

Add 75/60 and 81/40

1^st number: 1 15/60, 2^nd number: 2 1/40

75/60 + 81/40 is 131/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 60 × 2 = 120,
   75/60 = 75 × 2/60 × 2 = 150/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   81/40 = 81 × 3/40 × 3 = 243/120
4. Add the two like fractions:
   150/120 + 243/120 = 150 + 243/120 = 393/120
5. 393/120 simplified gives 131/40
6. So, 75/60 + 81/40 = 131/40
   In mixed form: 311/40

MathStep (Works offline)

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

Related: ⁷⁵/₆₀+⁸¹/₈₀

Add Fractions Calculator