Add 50/90 and 25/70
50/90 + 25/70 is 115/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
50/90 = 50 × 7/90 × 7 = 350/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
25/70 = 25 × 9/70 × 9 = 225/630 - Add the two like fractions:
350/630 + 225/630 = 350 + 225/630 = 575/630 - 575/630 simplified gives 115/126
- So, 50/90 + 25/70 = 115/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+50/70 50/90+75/70