Add 6/40 and 42/14
1st number: 6/40, 2nd number: 3 0/14
6/40 + 42/14 is 63/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
6/40 = 6 × 7/40 × 7 = 42/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
42/14 = 42 × 20/14 × 20 = 840/280 - Add the two like fractions:
42/280 + 840/280 = 42 + 840/280 = 882/280 - 882/280 simplified gives 63/20
- So, 6/40 + 42/14 = 63/20
In mixed form: 33/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40+42/14 6/40+84/14 6/80+42/14 6/40+42/28 18/40+42/14 30/40+42/14 6/40+42/70 42/40+42/14 6/40+42/98