Add 5/42 and 1/45
5/42 + 1/45 is 89/630.
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,
5/42 = 5 × 15/42 × 15 = 75/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630 - Add the two like fractions:
75/630 + 14/630 = 75 + 14/630 = 89/630 - So, 5/42 + 1/45 = 89/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42+1/45 5/42+2/45 5/84+1/45 5/42+1/90 15/42+1/45 5/42+3/45 25/42+1/45 5/42+5/45 35/42+1/45 5/42+7/45