Add 12/16 and 36/90
12/16 + 36/90 is 23/20.
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,
12/16 = 12 × 45/16 × 45 = 540/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
36/90 = 36 × 8/90 × 8 = 288/720 - Add the two like fractions:
540/720 + 288/720 = 540 + 288/720 = 828/720 - 828/720 simplified gives 23/20
- So, 12/16 + 36/90 = 23/20
In mixed form: 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/16+36/90 12/16+72/90 12/32+36/90 36/16+36/90 12/48+36/90 60/16+36/90 12/80+36/90 84/16+36/90