Add 84/56 and 25/45
1st number: 1 28/56, 2nd number: 25/45
84/56 + 25/45 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
84/56 = 84 × 45/56 × 45 = 3780/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
25/45 = 25 × 56/45 × 56 = 1400/2520 - Add the two like fractions:
3780/2520 + 1400/2520 = 3780 + 1400/2520 = 5180/2520 - 5180/2520 simplified gives 37/18
- So, 84/56 + 25/45 = 37/18
In mixed form: 21/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+50/45 84/56+25/90 84/56+75/45