Add 45/28 and 3/42
1st number: 1 17/28, 2nd number: 3/42
45/28 + 3/42 is 47/28.
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,
45/28 = 45 × 3/28 × 3 = 135/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
3/42 = 3 × 2/42 × 2 = 6/84 - Add the two like fractions:
135/84 + 6/84 = 135 + 6/84 = 141/84 - 141/84 simplified gives 47/28
- So, 45/28 + 3/42 = 47/28
In mixed form: 119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+3/42 45/28+6/42 45/56+3/42 45/28+3/84 45/28+9/42 45/84+3/42 45/28+15/42 45/28+21/42