Add 3/45 and 27/84
3/45 + 27/84 is 163/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
3/45 = 3 × 28/45 × 28 = 84/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
27/84 = 27 × 15/84 × 15 = 405/1260 - Add the two like fractions:
84/1260 + 405/1260 = 84 + 405/1260 = 489/1260 - 489/1260 simplified gives 163/420
- So, 3/45 + 27/84 = 163/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+27/84 3/45+54/84 3/90+27/84 9/45+27/84 3/45+81/84 15/45+27/84 21/45+27/84