Add 90/48 and 75/54
1st number: 1 42/48, 2nd number: 1 21/54
90/48 + 75/54 is 235/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
90/48 = 90 × 9/48 × 9 = 810/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
75/54 = 75 × 8/54 × 8 = 600/432 - Add the two like fractions:
810/432 + 600/432 = 810 + 600/432 = 1410/432 - 1410/432 simplified gives 235/72
- So, 90/48 + 75/54 = 235/72
In mixed form: 319/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/96+75/54