Add 27/7 and 70/45
1st number: 3 6/7, 2nd number: 1 25/45
27/7 + 70/45 is 341/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
27/7 = 27 × 45/7 × 45 = 1215/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315 - Add the two like fractions:
1215/315 + 490/315 = 1215 + 490/315 = 1705/315 - 1705/315 simplified gives 341/63
- So, 27/7 + 70/45 = 341/63
In mixed form: 526/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+70/45 27/14+70/45 27/7+70/90 81/7+70/45 27/21+70/45 27/35+70/45 27/49+70/45