Add 5/45 and 4/84
5/45 + 4/84 is 10/63.
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,
5/45 = 5 × 28/45 × 28 = 140/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
4/84 = 4 × 15/84 × 15 = 60/1260 - Add the two like fractions:
140/1260 + 60/1260 = 140 + 60/1260 = 200/1260 - 200/1260 simplified gives 10/63
- So, 5/45 + 4/84 = 10/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45+4/84 5/45+8/84 5/90+4/84 15/45+4/84 5/45+12/84 25/45+4/84 5/45+20/84 35/45+4/84 5/45+28/84