Add 8/70 and 10/40
8/70 + 10/40 is 51/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
8/70 = 8 × 4/70 × 4 = 32/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Add the two like fractions:
32/280 + 70/280 = 32 + 70/280 = 102/280 - 102/280 simplified gives 51/140
- So, 8/70 + 10/40 = 51/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70+10/40 8/70+20/40 8/70+10/80 24/70+10/40 8/70+30/40 40/70+10/40 8/70+50/40 56/70+10/40 8/70+70/40