Add 60/21 and 42/10
1st number: 2 18/21, 2nd number: 4 2/10
60/21 + 42/10 is 247/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
60/21 = 60 × 10/21 × 10 = 600/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
42/10 = 42 × 21/10 × 21 = 882/210 - Add the two like fractions:
600/210 + 882/210 = 600 + 882/210 = 1482/210 - 1482/210 simplified gives 247/35
- So, 60/21 + 42/10 = 247/35
In mixed form: 72/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+84/10 60/42+42/10 60/21+42/20 60/63+42/10 60/21+42/30 60/21+42/50 60/21+42/70