Add 12/45 and 48/72
12/45 + 48/72 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
12/45 = 12 × 8/45 × 8 = 96/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
48/72 = 48 × 5/72 × 5 = 240/360 - Add the two like fractions:
96/360 + 240/360 = 96 + 240/360 = 336/360 - 336/360 simplified gives 14/15
- So, 12/45 + 48/72 = 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45+48/72 12/45+96/72 12/90+48/72 36/45+48/72 60/45+48/72 84/45+48/72