Add 14/15 and 72/63
1st number: 14/15, 2nd number: 1 9/63
14/15 + 72/63 is 218/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
14/15 = 14 × 21/15 × 21 = 294/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
72/63 = 72 × 5/63 × 5 = 360/315 - Add the two like fractions:
294/315 + 360/315 = 294 + 360/315 = 654/315 - 654/315 simplified gives 218/105
- So, 14/15 + 72/63 = 218/105
In mixed form: 28/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15+72/63 14/30+72/63 42/15+72/63 14/45+72/63 70/15+72/63 14/75+72/63 98/15+72/63