Add 48/21 and 30/42
1st number: 2 6/21, 2nd number: 30/42
48/21 + 30/42 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
48/21 = 48 × 2/21 × 2 = 96/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
30/42 = 30 × 1/42 × 1 = 30/42 - Add the two like fractions:
96/42 + 30/42 = 96 + 30/42 = 126/42 - 126/42 simplified gives 3/1
- So, 48/21 + 30/42 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21+30/42 48/21+60/42 48/42+30/42 48/21+30/84 48/21+90/42 48/63+30/42