Add 1/15 and 25/70
1/15 + 25/70 is 89/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
1/15 = 1 × 14/15 × 14 = 14/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
25/70 = 25 × 3/70 × 3 = 75/210 - Add the two like fractions:
14/210 + 75/210 = 14 + 75/210 = 89/210 - So, 1/15 + 25/70 = 89/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+25/70 1/15+50/70 1/30+25/70 3/15+25/70 1/15+75/70 1/45+25/70 5/15+25/70 1/75+25/70 7/15+25/70