Answers

Add 4/40 and 63/60

1^st number: 4/40, 2^nd number: 1 3/60

4/40 + 63/60 is 23/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   4/40 = 4 × 3/40 × 3 = 12/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   63/60 = 63 × 2/60 × 2 = 126/120
4. Add the two like fractions:
   12/120 + 126/120 = 12 + 126/120 = 138/120
5. 138/120 simplified gives 23/20
6. So, 4/40 + 63/60 = 23/20
   In mixed form: 13/20

MathStep (Works offline)

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

Related: ⁸/₄₀+⁶³/₆₀ ⁴/₈₀+⁶³/₆₀ ¹²/₄₀+⁶³/₆₀ ²⁰/₄₀+⁶³/₆₀ ²⁸/₄₀+⁶³/₆₀

Add Fractions Calculator