Add 6/4 and 42/40
1st number: 1 2/4, 2nd number: 1 2/40
6/4 + 42/40 is 51/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
6/4 = 6 × 10/4 × 10 = 60/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Add the two like fractions:
60/40 + 42/40 = 60 + 42/40 = 102/40 - 102/40 simplified gives 51/20
- So, 6/4 + 42/40 = 51/20
In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/4+42/40 6/4+84/40 6/8+42/40 6/4+42/80 18/4+42/40 6/12+42/40 30/4+42/40 6/20+42/40 42/4+42/40 6/28+42/40