Add 8/42 and 1/45
8/42 + 1/45 is 67/315.
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,
8/42 = 8 × 15/42 × 15 = 120/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630 - Add the two like fractions:
120/630 + 14/630 = 120 + 14/630 = 134/630 - 134/630 simplified gives 67/315
- So, 8/42 + 1/45 = 67/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+1/45 8/42+2/45 8/84+1/45 8/42+1/90 24/42+1/45 8/42+3/45 40/42+1/45 8/42+5/45 56/42+1/45 8/42+7/45