Add 4/90 and 90/54
1st number: 4/90, 2nd number: 1 36/54
4/90 + 90/54 is 77/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
4/90 = 4 × 3/90 × 3 = 12/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Add the two like fractions:
12/270 + 450/270 = 12 + 450/270 = 462/270 - 462/270 simplified gives 77/45
- So, 4/90 + 90/54 = 77/45
In mixed form: 132/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+90/54 12/90+90/54 20/90+90/54 28/90+90/54