Answers

Add 60/40 and 35/90

1^st number: 1 20/40, 2^nd number: 35/90

60/40 + 35/90 is 17/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   60/40 = 60 × 9/40 × 9 = 540/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   35/90 = 35 × 4/90 × 4 = 140/360
4. Add the two like fractions:
   540/360 + 140/360 = 540 + 140/360 = 680/360
5. 680/360 simplified gives 17/9
6. So, 60/40 + 35/90 = 17/9
   In mixed form: 18/9

MathStep (Works offline)

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

Related: ⁶⁰/₄₀+⁷⁰/₉₀ ⁶⁰/₈₀+³⁵/₉₀

Add Fractions Calculator