Add 42/90 and 2/14
42/90 + 2/14 is 64/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
42/90 = 42 × 7/90 × 7 = 294/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
2/14 = 2 × 45/14 × 45 = 90/630 - Add the two like fractions:
294/630 + 90/630 = 294 + 90/630 = 384/630 - 384/630 simplified gives 64/105
- So, 42/90 + 2/14 = 64/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+2/14 42/90+4/14 42/90+2/28 42/90+6/14 42/90+2/42 42/90+10/14 42/90+2/70 42/90+2/98