Add 6/56 and 90/42
1st number: 6/56, 2nd number: 2 6/42
6/56 + 90/42 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
6/56 = 6 × 3/56 × 3 = 18/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
90/42 = 90 × 4/42 × 4 = 360/168 - Add the two like fractions:
18/168 + 360/168 = 18 + 360/168 = 378/168 - 378/168 simplified gives 9/4
- So, 6/56 + 90/42 = 9/4
In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/56+90/42 6/56+90/84 18/56+90/42 30/56+90/42 42/56+90/42