Add 25/28 and 12/70
25/28 + 12/70 is 149/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
25/28 = 25 × 5/28 × 5 = 125/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
12/70 = 12 × 2/70 × 2 = 24/140 - Add the two like fractions:
125/140 + 24/140 = 125 + 24/140 = 149/140 - So, 25/28 + 12/70 = 149/140
In mixed form: 19/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28+12/70 25/28+24/70 25/56+12/70 75/28+12/70 25/28+36/70 25/84+12/70 25/28+60/70 25/28+84/70