Add 3/45 and 81/48
1st number: 3/45, 2nd number: 1 33/48
3/45 + 81/48 is 421/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
3/45 = 3 × 16/45 × 16 = 48/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
81/48 = 81 × 15/48 × 15 = 1215/720 - Add the two like fractions:
48/720 + 1215/720 = 48 + 1215/720 = 1263/720 - 1263/720 simplified gives 421/240
- So, 3/45 + 81/48 = 421/240
In mixed form: 1181/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+81/48 3/90+81/48 3/45+81/96 9/45+81/48 15/45+81/48 21/45+81/48