Answers

Add 60/40 and 72/8

1^st number: 1 20/40, 2^nd number: 9 0/8

60/40 + 72/8 is 21/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 8 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 40 × 1 = 40,
   60/40 = 60 × 1/40 × 1 = 60/40
3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
   72/8 = 72 × 5/8 × 5 = 360/40
4. Add the two like fractions:
   60/40 + 360/40 = 60 + 360/40 = 420/40
5. 420/40 simplified gives 21/2
6. So, 60/40 + 72/8 = 21/2
   In mixed form: 101/2

MathStep (Works offline)

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

Related: ⁶⁰/₈₀+⁷²/₈ ⁶⁰/₄₀+⁷²/₁₆ ⁶⁰/₄₀+⁷²/₂₄ ⁶⁰/₄₀+⁷²/₄₀ ⁶⁰/₄₀+⁷²/₅₆

Add Fractions Calculator