Add 9/42 and 50/90
9/42 + 50/90 is 97/126.
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,
9/42 = 9 × 15/42 × 15 = 135/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
50/90 = 50 × 7/90 × 7 = 350/630 - Add the two like fractions:
135/630 + 350/630 = 135 + 350/630 = 485/630 - 485/630 simplified gives 97/126
- So, 9/42 + 50/90 = 97/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42+50/90 9/84+50/90 27/42+50/90 45/42+50/90 63/42+50/90