Add 90/2 and 54/72
1st number: 45 0/2, 2nd number: 54/72
90/2 + 54/72 is 183/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
90/2 = 90 × 36/2 × 36 = 3240/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
54/72 = 54 × 1/72 × 1 = 54/72 - Add the two like fractions:
3240/72 + 54/72 = 3240 + 54/72 = 3294/72 - 3294/72 simplified gives 183/4
- So, 90/2 + 54/72 = 183/4
In mixed form: 453/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+54/72 90/6+54/72 90/10+54/72 90/14+54/72