Add 50/14 and 75/90
1st number: 3 8/14, 2nd number: 75/90
50/14 + 75/90 is 185/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
50/14 = 50 × 45/14 × 45 = 2250/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
75/90 = 75 × 7/90 × 7 = 525/630 - Add the two like fractions:
2250/630 + 525/630 = 2250 + 525/630 = 2775/630 - 2775/630 simplified gives 185/42
- So, 50/14 + 75/90 = 185/42
In mixed form: 417/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28+75/90 50/42+75/90 50/70+75/90 50/98+75/90