Add 25/30 and 12/70
25/30 + 12/70 is 211/210.
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,
12/70 = 12 × 3/70 × 3 = 36/210 - Add the two like fractions:
175/210 + 36/210 = 175 + 36/210 = 211/210 - So, 25/30 + 12/70 = 211/210
In mixed form: 11/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+12/70 25/30+24/70 25/60+12/70 75/30+12/70 25/30+36/70 25/90+12/70 25/30+60/70 25/30+84/70