Add 8/80 and 18/70
8/80 + 18/70 is 5/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
8/80 = 8 × 7/80 × 7 = 56/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
18/70 = 18 × 8/70 × 8 = 144/560 - Add the two like fractions:
56/560 + 144/560 = 56 + 144/560 = 200/560 - 200/560 simplified gives 5/14
- So, 8/80 + 18/70 = 5/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80+18/70 8/80+36/70 24/80+18/70 8/80+54/70 40/80+18/70 8/80+90/70 56/80+18/70