Answers

Add 42/32 and 75/20

1^st number: 1 10/32, 2^nd number: 3 15/20

42/32 + 75/20 is 81/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 20 is 160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 160
2. For the 1st fraction, since 32 × 5 = 160,
   42/32 = 42 × 5/32 × 5 = 210/160
3. Likewise, for the 2nd fraction, since 20 × 8 = 160,
   75/20 = 75 × 8/20 × 8 = 600/160
4. Add the two like fractions:
   210/160 + 600/160 = 210 + 600/160 = 810/160
5. 810/160 simplified gives 81/16
6. So, 42/32 + 75/20 = 81/16
   In mixed form: 51/16

MathStep (Works offline)

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

Related: ⁸⁴/₃₂+⁷⁵/₂₀ ⁴²/₆₄+⁷⁵/₂₀ ⁴²/₃₂+⁷⁵/₄₀ ⁴²/₉₆+⁷⁵/₂₀ ⁴²/₃₂+⁷⁵/₆₀

Add Fractions Calculator