Answers

Add 2/40 and 84/45

1^st number: 2/40, 2^nd number: 1 39/45

2/40 + 84/45 is 23/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   2/40 = 2 × 9/40 × 9 = 18/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   84/45 = 84 × 8/45 × 8 = 672/360
4. Add the two like fractions:
   18/360 + 672/360 = 18 + 672/360 = 690/360
5. 690/360 simplified gives 23/12
6. So, 2/40 + 84/45 = 23/12
   In mixed form: 111/12

MathStep (Works offline)

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

Related: ⁴/₄₀+⁸⁴/₄₅ ²/₈₀+⁸⁴/₄₅ ²/₄₀+⁸⁴/₉₀ ⁶/₄₀+⁸⁴/₄₅ ¹⁰/₄₀+⁸⁴/₄₅ ¹⁴/₄₀+⁸⁴/₄₅

Add Fractions Calculator