Answers

Add 64/5 and 7/80

1^st number: 12 4/5, 2^nd number: 7/80

64/5 + 7/80 is 1031/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 5 × 16 = 80,
   64/5 = 64 × 16/5 × 16 = 1024/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   7/80 = 7 × 1/80 × 1 = 7/80
4. Add the two like fractions:
   1024/80 + 7/80 = 1024 + 7/80 = 1031/80
5. So, 64/5 + 7/80 = 1031/80
   In mixed form: 1271/80

MathStep (Works offline)

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

Related: ⁶⁴/₅+¹⁴/₈₀ ⁶⁴/₁₀+⁷/₈₀ ⁶⁴/₅+²¹/₈₀ ⁶⁴/₁₅+⁷/₈₀ ⁶⁴/₅+³⁵/₈₀ ⁶⁴/₂₅+⁷/₈₀ ⁶⁴/₅+⁴⁹/₈₀ ⁶⁴/₃₅+⁷/₈₀

Add Fractions Calculator