Answers

Add 40/30 and 21/64

1^st number: 1 10/30, 2^nd number: 21/64

40/30 + 21/64 is 319/192.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 30 × 32 = 960,
   40/30 = 40 × 32/30 × 32 = 1280/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   21/64 = 21 × 15/64 × 15 = 315/960
4. Add the two like fractions:
   1280/960 + 315/960 = 1280 + 315/960 = 1595/960
5. 1595/960 simplified gives 319/192
6. So, 40/30 + 21/64 = 319/192
   In mixed form: 1127/192

MathStep (Works offline)

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

Related: ⁸⁰/₃₀+²¹/₆₄ ⁴⁰/₃₀+⁴²/₆₄ ⁴⁰/₆₀+²¹/₆₄ ⁴⁰/₃₀+⁶³/₆₄ ⁴⁰/₉₀+²¹/₆₄

Add Fractions Calculator