Add 5/70 and 12/28
5/70 + 12/28 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
12/28 = 12 × 5/28 × 5 = 60/140 - Add the two like fractions:
10/140 + 60/140 = 10 + 60/140 = 70/140 - 70/140 simplified gives 1/2
- So, 5/70 + 12/28 = 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70+12/28 5/70+24/28 5/70+12/56 15/70+12/28 5/70+36/28 5/70+12/84 25/70+12/28 5/70+60/28 35/70+12/28 5/70+84/28