Add 3/84 and 24/45
3/84 + 24/45 is 239/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
3/84 = 3 × 15/84 × 15 = 45/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
24/45 = 24 × 28/45 × 28 = 672/1260 - Add the two like fractions:
45/1260 + 672/1260 = 45 + 672/1260 = 717/1260 - 717/1260 simplified gives 239/420
- So, 3/84 + 24/45 = 239/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+24/45 3/84+48/45 3/84+24/90 9/84+24/45 3/84+72/45 15/84+24/45 21/84+24/45