Answers

Add 72/42 and 28/32

1^st number: 1 30/42, 2^nd number: 28/32

72/42 + 28/32 is 145/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 32 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 42 × 16 = 672,
   72/42 = 72 × 16/42 × 16 = 1152/672
3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
   28/32 = 28 × 21/32 × 21 = 588/672
4. Add the two like fractions:
   1152/672 + 588/672 = 1152 + 588/672 = 1740/672
5. 1740/672 simplified gives 145/56
6. So, 72/42 + 28/32 = 145/56
   In mixed form: 233/56

MathStep (Works offline)

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

Related: ⁷²/₄₂+⁵⁶/₃₂ ⁷²/₈₄+²⁸/₃₂ ⁷²/₄₂+²⁸/₆₄ ⁷²/₄₂+⁸⁴/₃₂ ⁷²/₄₂+²⁸/₉₆

Add Fractions Calculator