Add 30/16 and 40/45
1st number: 1 14/16, 2nd number: 40/45
30/16 + 40/45 is 199/72.
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,
30/16 = 30 × 45/16 × 45 = 1350/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
40/45 = 40 × 16/45 × 16 = 640/720 - Add the two like fractions:
1350/720 + 640/720 = 1350 + 640/720 = 1990/720 - 1990/720 simplified gives 199/72
- So, 30/16 + 40/45 = 199/72
In mixed form: 255/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16+40/45 30/16+80/45 30/32+40/45 30/16+40/90 90/16+40/45 30/48+40/45 30/80+40/45