Add 2/45 and 3/42
2/45 + 3/42 is 73/630.
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,
2/45 = 2 × 14/45 × 14 = 28/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
3/42 = 3 × 15/42 × 15 = 45/630 - Add the two like fractions:
28/630 + 45/630 = 28 + 45/630 = 73/630 - So, 2/45 + 3/42 = 73/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45+3/42 2/45+6/42 2/90+3/42 2/45+3/84 6/45+3/42 2/45+9/42 10/45+3/42 2/45+15/42 14/45+3/42 2/45+21/42