Add 60/10 and 42/21
1st number: 6 0/10, 2nd number: 2 0/21
60/10 + 42/21 is 8/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
60/10 = 60 × 21/10 × 21 = 1260/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
42/21 = 42 × 10/21 × 10 = 420/210 - Add the two like fractions:
1260/210 + 420/210 = 1260 + 420/210 = 1680/210 - 1680/210 simplified gives 8/1
- So, 60/10 + 42/21 = 8/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+84/21 60/20+42/21 60/30+42/21 60/10+42/63 60/50+42/21 60/70+42/21