Add 25/30 and 35/70
25/30 + 35/70 is 4/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
25/30 = 25 × 7/30 × 7 = 175/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
35/70 = 35 × 3/70 × 3 = 105/210 - Add the two like fractions:
175/210 + 105/210 = 175 + 105/210 = 280/210 - 280/210 simplified gives 4/3
- So, 25/30 + 35/70 = 4/3
In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+35/70 25/60+35/70 75/30+35/70 25/90+35/70