Add 16/70 and 50/90
16/70 + 50/90 is 247/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
16/70 = 16 × 9/70 × 9 = 144/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
50/90 = 50 × 7/90 × 7 = 350/630 - Add the two like fractions:
144/630 + 350/630 = 144 + 350/630 = 494/630 - 494/630 simplified gives 247/315
- So, 16/70 + 50/90 = 247/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/70+50/90 48/70+50/90 80/70+50/90