Add 84/45 and 15/60
1st number: 1 39/45, 2nd number: 15/60
84/45 + 15/60 is 127/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
15/60 = 15 × 3/60 × 3 = 45/180 - Add the two like fractions:
336/180 + 45/180 = 336 + 45/180 = 381/180 - 381/180 simplified gives 127/60
- So, 84/45 + 15/60 = 127/60
In mixed form: 27/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+30/60 84/90+15/60 84/45+45/60 84/45+75/60