Add 18/16 and 36/90
1st number: 1 2/16, 2nd number: 36/90
18/16 + 36/90 is 61/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
18/16 = 18 × 45/16 × 45 = 810/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
36/90 = 36 × 8/90 × 8 = 288/720 - Add the two like fractions:
810/720 + 288/720 = 810 + 288/720 = 1098/720 - 1098/720 simplified gives 61/40
- So, 18/16 + 36/90 = 61/40
In mixed form: 121/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16+36/90 18/16+72/90 18/32+36/90 54/16+36/90 18/48+36/90 90/16+36/90 18/80+36/90