Add 7/2 and 90/56
1st number: 3 1/2, 2nd number: 1 34/56
7/2 + 90/56 is 143/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
7/2 = 7 × 28/2 × 28 = 196/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
90/56 = 90 × 1/56 × 1 = 90/56 - Add the two like fractions:
196/56 + 90/56 = 196 + 90/56 = 286/56 - 286/56 simplified gives 143/28
- So, 7/2 + 90/56 = 143/28
In mixed form: 53/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+90/56 7/4+90/56 21/2+90/56 7/6+90/56 35/2+90/56 7/10+90/56 49/2+90/56 7/14+90/56