Add 18/45 and 15/16
18/45 + 15/16 is 107/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
18/45 = 18 × 16/45 × 16 = 288/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
15/16 = 15 × 45/16 × 45 = 675/720 - Add the two like fractions:
288/720 + 675/720 = 288 + 675/720 = 963/720 - 963/720 simplified gives 107/80
- So, 18/45 + 15/16 = 107/80
In mixed form: 127/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+15/16 18/45+30/16 18/90+15/16 18/45+15/32 54/45+15/16 18/45+45/16 18/45+15/48 90/45+15/16 18/45+75/16 18/45+15/80