Add 21/24 and 18/49
21/24 + 18/49 is 487/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 49 is 1176
Next, find the equivalent fraction of both fractional numbers with denominator 1176 - For the 1st fraction, since 24 × 49 = 1176,
21/24 = 21 × 49/24 × 49 = 1029/1176 - Likewise, for the 2nd fraction, since 49 × 24 = 1176,
18/49 = 18 × 24/49 × 24 = 432/1176 - Add the two like fractions:
1029/1176 + 432/1176 = 1029 + 432/1176 = 1461/1176 - 1461/1176 simplified gives 487/392
- So, 21/24 + 18/49 = 487/392
In mixed form: 195/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+18/49 21/24+36/49 21/48+18/49 21/24+18/98 63/24+18/49 21/24+54/49 21/72+18/49 21/24+90/49