Add 90/54 and 16/45
1st number: 1 36/54, 2nd number: 16/45
90/54 + 16/45 is 91/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
16/45 = 16 × 6/45 × 6 = 96/270 - Add the two like fractions:
450/270 + 96/270 = 450 + 96/270 = 546/270 - 546/270 simplified gives 91/45
- So, 90/54 + 16/45 = 91/45
In mixed form: 21/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+32/45 90/54+16/90 90/54+48/45 90/54+80/45