Add 6/42 and 49/45
1st number: 6/42, 2nd number: 1 4/45
6/42 + 49/45 is 388/315.
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,
6/42 = 6 × 15/42 × 15 = 90/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
49/45 = 49 × 14/45 × 14 = 686/630 - Add the two like fractions:
90/630 + 686/630 = 90 + 686/630 = 776/630 - 776/630 simplified gives 388/315
- So, 6/42 + 49/45 = 388/315
In mixed form: 173/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42+49/45 6/42+98/45 6/84+49/45 6/42+49/90 18/42+49/45 30/42+49/45