Add 8/28 and 36/70
8/28 + 36/70 is 4/5.
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,
8/28 = 8 × 5/28 × 5 = 40/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
36/70 = 36 × 2/70 × 2 = 72/140 - Add the two like fractions:
40/140 + 72/140 = 40 + 72/140 = 112/140 - 112/140 simplified gives 4/5
- So, 8/28 + 36/70 = 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28+36/70 8/28+72/70 8/56+36/70 24/28+36/70 8/84+36/70 40/28+36/70 56/28+36/70