Answers

Add 64/35 and 30/72

1^st number: 1 29/35, 2^nd number: 30/72

64/35 + 30/72 is 943/420.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 72 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 35 × 72 = 2520,
   64/35 = 64 × 72/35 × 72 = 4608/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   30/72 = 30 × 35/72 × 35 = 1050/2520
4. Add the two like fractions:
   4608/2520 + 1050/2520 = 4608 + 1050/2520 = 5658/2520
5. 5658/2520 simplified gives 943/420
6. So, 64/35 + 30/72 = 943/420
   In mixed form: 2103/420

MathStep (Works offline)

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

Related: ⁶⁴/₃₅+⁶⁰/₇₂ ⁶⁴/₇₀+³⁰/₇₂ ⁶⁴/₃₅+⁹⁰/₇₂

Add Fractions Calculator