Add 90/75 and 7/54
1st number: 1 15/75, 2nd number: 7/54
90/75 + 7/54 is 359/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 75 × 18 = 1350,
90/75 = 90 × 18/75 × 18 = 1620/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
7/54 = 7 × 25/54 × 25 = 175/1350 - Add the two like fractions:
1620/1350 + 175/1350 = 1620 + 175/1350 = 1795/1350 - 1795/1350 simplified gives 359/270
- So, 90/75 + 7/54 = 359/270
In mixed form: 189/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75+14/54 90/75+21/54 90/75+35/54 90/75+49/54