Answers

Add 63/40 and 45/9

1^st number: 1 23/40, 2^nd number: 5 0/9

63/40 + 45/9 is 263/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 9 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   63/40 = 63 × 9/40 × 9 = 567/360
3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
   45/9 = 45 × 40/9 × 40 = 1800/360
4. Add the two like fractions:
   567/360 + 1800/360 = 567 + 1800/360 = 2367/360
5. 2367/360 simplified gives 263/40
6. So, 63/40 + 45/9 = 263/40
   In mixed form: 623/40

MathStep (Works offline)

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

Related: ⁶³/₄₀+⁹⁰/₉ ⁶³/₈₀+⁴⁵/₉ ⁶³/₄₀+⁴⁵/₁₈ ⁶³/₄₀+⁴⁵/₂₇ ⁶³/₄₀+⁴⁵/₆₃

Add Fractions Calculator