Add 48/21 and 42/10
1st number: 2 6/21, 2nd number: 4 2/10
48/21 + 42/10 is 227/35.
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,
48/21 = 48 × 10/21 × 10 = 480/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
42/10 = 42 × 21/10 × 21 = 882/210 - Add the two like fractions:
480/210 + 882/210 = 480 + 882/210 = 1362/210 - 1362/210 simplified gives 227/35
- So, 48/21 + 42/10 = 227/35
In mixed form: 617/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21+42/10 48/21+84/10 48/42+42/10 48/21+42/20 48/63+42/10 48/21+42/30 48/21+42/50 48/21+42/70