Answers

Add 42/27 and 75/20

1^st number: 1 15/27, 2^nd number: 3 15/20

42/27 + 75/20 is 191/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 27 × 20 = 540,
   42/27 = 42 × 20/27 × 20 = 840/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   75/20 = 75 × 27/20 × 27 = 2025/540
4. Add the two like fractions:
   840/540 + 2025/540 = 840 + 2025/540 = 2865/540
5. 2865/540 simplified gives 191/36
6. So, 42/27 + 75/20 = 191/36
   In mixed form: 511/36

MathStep (Works offline)

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

Related: ⁸⁴/₂₇+⁷⁵/₂₀ ⁴²/₅₄+⁷⁵/₂₀ ⁴²/₂₇+⁷⁵/₄₀ ⁴²/₈₁+⁷⁵/₂₀ ⁴²/₂₇+⁷⁵/₆₀

Add Fractions Calculator