Add 15/80 and 30/48
15/80 + 30/48 is 13/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
30/48 = 30 × 5/48 × 5 = 150/240 - Add the two like fractions:
45/240 + 150/240 = 45 + 150/240 = 195/240 - 195/240 simplified gives 13/16
- So, 15/80 + 30/48 = 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/80+30/48 15/80+60/48 15/80+30/96 45/80+30/48 15/80+90/48 75/80+30/48