Add 20/48 and 7/45
20/48 + 7/45 is 103/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
20/48 = 20 × 15/48 × 15 = 300/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
7/45 = 7 × 16/45 × 16 = 112/720 - Add the two like fractions:
300/720 + 112/720 = 300 + 112/720 = 412/720 - 412/720 simplified gives 103/180
- So, 20/48 + 7/45 = 103/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/48+7/45 20/48+14/45 20/96+7/45 20/48+7/90 60/48+7/45 20/48+21/45 20/48+35/45 20/48+49/45