Add 9/45 and 27/7
1st number: 9/45, 2nd number: 3 6/7
9/45 + 27/7 is 142/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
9/45 = 9 × 7/45 × 7 = 63/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
27/7 = 27 × 45/7 × 45 = 1215/315 - Add the two like fractions:
63/315 + 1215/315 = 63 + 1215/315 = 1278/315 - 1278/315 simplified gives 142/35
- So, 9/45 + 27/7 = 142/35
In mixed form: 42/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45+27/7 9/45+54/7 9/90+27/7 9/45+27/14 27/45+27/7 9/45+81/7 9/45+27/21 9/45+27/35 63/45+27/7 9/45+27/49