Add 3/4 and 64/90
3/4 + 64/90 is 263/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
3/4 = 3 × 45/4 × 45 = 135/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
64/90 = 64 × 2/90 × 2 = 128/180 - Add the two like fractions:
135/180 + 128/180 = 135 + 128/180 = 263/180 - So, 3/4 + 64/90 = 263/180
In mixed form: 183/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4+64/90 3/8+64/90 9/4+64/90 3/12+64/90 15/4+64/90 3/20+64/90 21/4+64/90 3/28+64/90