Add 4/80 and 7/15
4/80 + 7/15 is 31/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
4/80 = 4 × 3/80 × 3 = 12/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
7/15 = 7 × 16/15 × 16 = 112/240 - Add the two like fractions:
12/240 + 112/240 = 12 + 112/240 = 124/240 - 124/240 simplified gives 31/60
- So, 4/80 + 7/15 = 31/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/80+7/15 4/80+14/15 4/80+7/30 12/80+7/15 4/80+21/15 4/80+7/45 20/80+7/15 4/80+35/15 4/80+7/75 28/80+7/15 4/80+49/15