Add 5/10 and 5/42
5/10 + 5/42 is 13/21.
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,
5/10 = 5 × 21/10 × 21 = 105/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
5/42 = 5 × 5/42 × 5 = 25/210 - Add the two like fractions:
105/210 + 25/210 = 105 + 25/210 = 130/210 - 130/210 simplified gives 13/21
- So, 5/10 + 5/42 = 13/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10+10/42 5/20+5/42 5/10+5/84 15/10+5/42 5/10+15/42 5/30+5/42 25/10+5/42 5/10+25/42 5/50+5/42 35/10+5/42 5/10+35/42 5/70+5/42