Add 18/63 and 1/15
18/63 + 1/15 is 37/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
18/63 = 18 × 5/63 × 5 = 90/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
1/15 = 1 × 21/15 × 21 = 21/315 - Add the two like fractions:
90/315 + 21/315 = 90 + 21/315 = 111/315 - 111/315 simplified gives 37/105
- So, 18/63 + 1/15 = 37/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+1/15 18/63+2/15 18/63+1/30 54/63+1/15 18/63+3/15 18/63+1/45 90/63+1/15 18/63+5/15 18/63+1/75 18/63+7/15