Add 10/80 and 2/70
10/80 + 2/70 is 43/280.
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,
10/80 = 10 × 7/80 × 7 = 70/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
2/70 = 2 × 8/70 × 8 = 16/560 - Add the two like fractions:
70/560 + 16/560 = 70 + 16/560 = 86/560 - 86/560 simplified gives 43/280
- So, 10/80 + 2/70 = 43/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80+2/70 10/80+4/70 30/80+2/70 10/80+6/70 50/80+2/70 10/80+10/70 70/80+2/70 10/80+14/70