Add 64/40 and 42/60
1st number: 1 24/40, 2nd number: 42/60
64/40 + 42/60 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
64/40 = 64 × 3/40 × 3 = 192/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
42/60 = 42 × 2/60 × 2 = 84/120 - Add the two like fractions:
192/120 + 84/120 = 192 + 84/120 = 276/120 - 276/120 simplified gives 23/10
- So, 64/40 + 42/60 = 23/10
In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/40+84/60 64/80+42/60