Add 54/14 and 90/3
1st number: 3 12/14, 2nd number: 30 0/3
54/14 + 90/3 is 237/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
54/14 = 54 × 3/14 × 3 = 162/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
90/3 = 90 × 14/3 × 14 = 1260/42 - Add the two like fractions:
162/42 + 1260/42 = 162 + 1260/42 = 1422/42 - 1422/42 simplified gives 237/7
- So, 54/14 + 90/3 = 237/7
In mixed form: 336/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+90/3 54/14+90/6 54/42+90/3 54/14+90/9 54/70+90/3 54/14+90/15 54/98+90/3 54/14+90/21