Add 25/70 and 7/12
25/70 + 7/12 is 79/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
25/70 = 25 × 6/70 × 6 = 150/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
7/12 = 7 × 35/12 × 35 = 245/420 - Add the two like fractions:
150/420 + 245/420 = 150 + 245/420 = 395/420 - 395/420 simplified gives 79/84
- So, 25/70 + 7/12 = 79/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70+7/12 25/70+14/12 25/70+7/24 75/70+7/12 25/70+21/12 25/70+7/36 25/70+35/12 25/70+7/60 25/70+49/12 25/70+7/84