Answers

Add 48/12 and 81/40

1^st number: 4 0/12, 2^nd number: 2 1/40

48/12 + 81/40 is 241/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 12 × 10 = 120,
   48/12 = 48 × 10/12 × 10 = 480/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   81/40 = 81 × 3/40 × 3 = 243/120
4. Add the two like fractions:
   480/120 + 243/120 = 480 + 243/120 = 723/120
5. 723/120 simplified gives 241/40
6. So, 48/12 + 81/40 = 241/40
   In mixed form: 61/40

MathStep (Works offline)

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

Related: ⁹⁶/₁₂+⁸¹/₄₀ ⁴⁸/₂₄+⁸¹/₄₀ ⁴⁸/₁₂+⁸¹/₈₀ ⁴⁸/₃₆+⁸¹/₄₀ ⁴⁸/₆₀+⁸¹/₄₀ ⁴⁸/₈₄+⁸¹/₄₀

Add Fractions Calculator