Answers

Add 40/10 and 42/64

1^st number: 4 0/10, 2^nd number: 42/64

40/10 + 42/64 is 149/32.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 64 is 320
2. For the 1st fraction, since 10 × 32 = 320,
   40/10 = 40 × 32/10 × 32 = 1280/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   42/64 = 42 × 5/64 × 5 = 210/320
4. Add the two fractions:
   1280/320 + 210/320 = 1280 + 210/320 = 1490/320
5. 1490/320 simplified gives 149/32
6. So, 40/10 + 42/64 = 149/32
   In mixed form: 421/32

MathStep (Works offline)

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

Related: ⁸⁰/₁₀+⁴²/₆₄ ⁴⁰/₁₀+⁸⁴/₆₄ ⁴⁰/₂₀+⁴²/₆₄ ⁴⁰/₃₀+⁴²/₆₄ ⁴⁰/₅₀+⁴²/₆₄ ⁴⁰/₇₀+⁴²/₆₄

Add Fractions Calculator