Add 48/28 and 30/42
1st number: 1 20/28, 2nd number: 30/42
48/28 + 30/42 is 17/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
48/28 = 48 × 3/28 × 3 = 144/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
30/42 = 30 × 2/42 × 2 = 60/84 - Add the two like fractions:
144/84 + 60/84 = 144 + 60/84 = 204/84 - 204/84 simplified gives 17/7
- So, 48/28 + 30/42 = 17/7
In mixed form: 23/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/28+30/42 48/28+60/42 48/56+30/42 48/28+30/84 48/28+90/42 48/84+30/42