Add 45/20 and 20/48
1st number: 2 5/20, 2nd number: 20/48
45/20 + 20/48 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
45/20 = 45 × 12/20 × 12 = 540/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
20/48 = 20 × 5/48 × 5 = 100/240 - Add the two like fractions:
540/240 + 100/240 = 540 + 100/240 = 640/240 - 640/240 simplified gives 8/3
- So, 45/20 + 20/48 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+20/48 45/20+40/48 45/40+20/48 45/20+20/96 45/20+60/48 45/60+20/48