Add 18/63 and 8/5
1st number: 18/63, 2nd number: 1 3/5
18/63 + 8/5 is 66/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 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 5 × 63 = 315,
8/5 = 8 × 63/5 × 63 = 504/315 - Add the two like fractions:
90/315 + 504/315 = 90 + 504/315 = 594/315 - 594/315 simplified gives 66/35
- So, 18/63 + 8/5 = 66/35
In mixed form: 131/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+8/5 18/63+16/5 18/63+8/10 54/63+8/5 18/63+24/5 18/63+8/15 90/63+8/5 18/63+40/5 18/63+8/25 18/63+56/5 18/63+8/35