Answers

Add 75/12 and 63/72

1^st number: 6 3/12, 2^nd number: 63/72

75/12 + 63/72 is 57/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 12 × 6 = 72,
   75/12 = 75 × 6/12 × 6 = 450/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   63/72 = 63 × 1/72 × 1 = 63/72
4. Add the two like fractions:
   450/72 + 63/72 = 450 + 63/72 = 513/72
5. 513/72 simplified gives 57/8
6. So, 75/12 + 63/72 = 57/8
   In mixed form: 71/8

MathStep (Works offline)

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

Related: ⁷⁵/₂₄+⁶³/₇₂ ⁷⁵/₃₆+⁶³/₇₂ ⁷⁵/₆₀+⁶³/₇₂ ⁷⁵/₈₄+⁶³/₇₂

Add Fractions Calculator