Add 42/40 and 6/9
1st number: 1 2/40, 2nd number: 6/9
42/40 + 6/9 is 103/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
6/9 = 6 × 40/9 × 40 = 240/360 - Add the two like fractions:
378/360 + 240/360 = 378 + 240/360 = 618/360 - 618/360 simplified gives 103/60
- So, 42/40 + 6/9 = 103/60
In mixed form: 143/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+6/9 42/40+12/9 42/80+6/9 42/40+6/18 42/40+18/9 42/40+6/27 42/40+30/9 42/40+6/45 42/40+42/9 42/40+6/63