Add 1/42 and 6/45
1/42 + 6/45 is 11/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
1/42 = 1 × 15/42 × 15 = 15/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
6/45 = 6 × 14/45 × 14 = 84/630 - Add the two like fractions:
15/630 + 84/630 = 15 + 84/630 = 99/630 - 99/630 simplified gives 11/70
- So, 1/42 + 6/45 = 11/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42+6/45 1/42+12/45 1/84+6/45 1/42+6/90 3/42+6/45 1/42+18/45 5/42+6/45 1/42+30/45 7/42+6/45 1/42+42/45