Add 45/30 and 48/56
1st number: 1 15/30, 2nd number: 48/56
45/30 + 48/56 is 33/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
45/30 = 45 × 28/30 × 28 = 1260/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
48/56 = 48 × 15/56 × 15 = 720/840 - Add the two like fractions:
1260/840 + 720/840 = 1260 + 720/840 = 1980/840 - 1980/840 simplified gives 33/14
- So, 45/30 + 48/56 = 33/14
In mixed form: 25/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+48/56 45/30+96/56 45/60+48/56 45/90+48/56