Add 1/45 and 5/42
1/45 + 5/42 is 89/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
5/42 = 5 × 15/42 × 15 = 75/630 - Add the two like fractions:
14/630 + 75/630 = 14 + 75/630 = 89/630 - So, 1/45 + 5/42 = 89/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+5/42 1/45+10/42 1/90+5/42 1/45+5/84 3/45+5/42 1/45+15/42 5/45+5/42 1/45+25/42 7/45+5/42 1/45+35/42