Add 84/28 and 48/45
1st number: 3 0/28, 2nd number: 1 3/45
84/28 + 48/45 is 61/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
84/28 = 84 × 45/28 × 45 = 3780/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
48/45 = 48 × 28/45 × 28 = 1344/1260 - Add the two like fractions:
3780/1260 + 1344/1260 = 3780 + 1344/1260 = 5124/1260 - 5124/1260 simplified gives 61/15
- So, 84/28 + 48/45 = 61/15
In mixed form: 41/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+96/45 84/56+48/45 84/28+48/90