Add 18/45 and 45/48
18/45 + 45/48 is 107/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 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 48 × 15 = 720,
45/48 = 45 × 15/48 × 15 = 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 + 45/48 = 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+45/48 18/45+90/48 18/90+45/48 18/45+45/96 54/45+45/48 90/45+45/48