Add 2/42 and 1/45
2/42 + 1/45 is 22/315.
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,
2/42 = 2 × 15/42 × 15 = 30/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630 - Add the two like fractions:
30/630 + 14/630 = 30 + 14/630 = 44/630 - 44/630 simplified gives 22/315
- So, 2/42 + 1/45 = 22/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+1/45 2/42+2/45 2/84+1/45 2/42+1/90 6/42+1/45 2/42+3/45 10/42+1/45 2/42+5/45 14/42+1/45 2/42+7/45