Add 40/16 and 12/45
1st number: 2 8/16, 2nd number: 12/45
40/16 + 12/45 is 83/30.
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,
40/16 = 40 × 45/16 × 45 = 1800/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
12/45 = 12 × 16/45 × 16 = 192/720 - Add the two like fractions:
1800/720 + 192/720 = 1800 + 192/720 = 1992/720 - 1992/720 simplified gives 83/30
- So, 40/16 + 12/45 = 83/30
In mixed form: 223/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+12/45 40/16+24/45 40/32+12/45 40/16+12/90 40/16+36/45 40/48+12/45 40/16+60/45 40/80+12/45 40/16+84/45