Add 2/10 and 8/42
2/10 + 8/42 is 41/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
2/10 = 2 × 21/10 × 21 = 42/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
8/42 = 8 × 5/42 × 5 = 40/210 - Add the two like fractions:
42/210 + 40/210 = 42 + 40/210 = 82/210 - 82/210 simplified gives 41/105
- So, 2/10 + 8/42 = 41/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10+8/42 2/10+16/42 2/20+8/42 2/10+8/84 6/10+8/42 2/10+24/42 2/30+8/42 2/10+40/42 2/50+8/42 14/10+8/42 2/10+56/42 2/70+8/42