Answers

Add 75/64 and 30/72

1^st number: 1 11/64, 2^nd number: 30/72

75/64 + 30/72 is 305/192.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 72 is 576
   
   Next, find the equivalent fraction of both fractional numbers with denominator 576
2. For the 1st fraction, since 64 × 9 = 576,
   75/64 = 75 × 9/64 × 9 = 675/576
3. Likewise, for the 2nd fraction, since 72 × 8 = 576,
   30/72 = 30 × 8/72 × 8 = 240/576
4. Add the two like fractions:
   675/576 + 240/576 = 675 + 240/576 = 915/576
5. 915/576 simplified gives 305/192
6. So, 75/64 + 30/72 = 305/192
   In mixed form: 1113/192

MathStep (Works offline)

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

Related: ⁷⁵/₆₄+⁶⁰/₇₂ ⁷⁵/₆₄+⁹⁰/₇₂

Add Fractions Calculator