Add 1/40 and 42/60
1/40 + 42/60 is 29/40.
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,
1/40 = 1 × 3/40 × 3 = 3/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
42/60 = 42 × 2/60 × 2 = 84/120 - Add the two like fractions:
3/120 + 84/120 = 3 + 84/120 = 87/120 - 87/120 simplified gives 29/40
- So, 1/40 + 42/60 = 29/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40+42/60 1/40+84/60 1/80+42/60 3/40+42/60 5/40+42/60 7/40+42/60