Answers

Add 72/60 and 4/42

1^st number: 1 12/60, 2^nd number: 4/42

72/60 + 4/42 is 136/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   72/60 = 72 × 7/60 × 7 = 504/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   4/42 = 4 × 10/42 × 10 = 40/420
4. Add the two like fractions:
   504/420 + 40/420 = 504 + 40/420 = 544/420
5. 544/420 simplified gives 136/105
6. So, 72/60 + 4/42 = 136/105
   In mixed form: 131/105

MathStep (Works offline)

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

Related: ⁷²/₆₀+⁸/₄₂ ⁷²/₆₀+⁴/₈₄ ⁷²/₆₀+¹²/₄₂ ⁷²/₆₀+²⁰/₄₂ ⁷²/₆₀+²⁸/₄₂

Add Fractions Calculator