Add 24/27 and 4/63
24/27 + 4/63 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
24/27 = 24 × 7/27 × 7 = 168/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
4/63 = 4 × 3/63 × 3 = 12/189 - Add the two like fractions:
168/189 + 12/189 = 168 + 12/189 = 180/189 - 180/189 simplified gives 20/21
- So, 24/27 + 4/63 = 20/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/27+4/63 24/27+8/63 24/54+4/63 72/27+4/63 24/27+12/63 24/81+4/63 24/27+20/63 24/27+28/63