Add 75/63 and 4/15
1st number: 1 12/63, 2nd number: 4/15
75/63 + 4/15 is 51/35.
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,
75/63 = 75 × 5/63 × 5 = 375/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
4/15 = 4 × 21/15 × 21 = 84/315 - Add the two like fractions:
375/315 + 84/315 = 375 + 84/315 = 459/315 - 459/315 simplified gives 51/35
- So, 75/63 + 4/15 = 51/35
In mixed form: 116/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/63+8/15 75/63+4/30 75/63+12/15 75/63+4/45 75/63+20/15 75/63+4/75 75/63+28/15