Add 12/16 and 5/45
12/16 + 5/45 is 31/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 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 45 × 16 = 720,
5/45 = 5 × 16/45 × 16 = 80/720 - Add the two like fractions:
540/720 + 80/720 = 540 + 80/720 = 620/720 - 620/720 simplified gives 31/36
- So, 12/16 + 5/45 = 31/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/16+5/45 12/16+10/45 12/32+5/45 12/16+5/90 36/16+5/45 12/16+15/45 12/48+5/45 60/16+5/45 12/16+25/45 12/80+5/45 84/16+5/45 12/16+35/45