Add 2/42 and 14/90
2/42 + 14/90 is 64/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 90 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 90 × 7 = 630,
14/90 = 14 × 7/90 × 7 = 98/630 - Add the two like fractions:
30/630 + 98/630 = 30 + 98/630 = 128/630 - 128/630 simplified gives 64/315
- So, 2/42 + 14/90 = 64/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+14/90 2/42+28/90 2/84+14/90 6/42+14/90 2/42+42/90 10/42+14/90 2/42+70/90 14/42+14/90 2/42+98/90