Answers

Add 49/42 and 36/72

1^st number: 1 7/42, 2^nd number: 36/72

49/42 + 36/72 is 5/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 42 × 12 = 504,
   49/42 = 49 × 12/42 × 12 = 588/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   36/72 = 36 × 7/72 × 7 = 252/504
4. Add the two like fractions:
   588/504 + 252/504 = 588 + 252/504 = 840/504
5. 840/504 simplified gives 5/3
6. So, 49/42 + 36/72 = 5/3
   In mixed form: 12/3

MathStep (Works offline)

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

Related: ⁹⁸/₄₂+³⁶/₇₂ ⁴⁹/₈₄+³⁶/₇₂

Add Fractions Calculator