Add 1/90 and 25/70
1/90 + 25/70 is 116/315.
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,
1/90 = 1 × 7/90 × 7 = 7/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
25/70 = 25 × 9/70 × 9 = 225/630 - Add the two like fractions:
7/630 + 225/630 = 7 + 225/630 = 232/630 - 232/630 simplified gives 116/315
- So, 1/90 + 25/70 = 116/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90+25/70 1/90+50/70 3/90+25/70 1/90+75/70 5/90+25/70 7/90+25/70