Add 70/15 and 3/63
1st number: 4 10/15, 2nd number: 3/63
70/15 + 3/63 is 33/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
70/15 = 70 × 21/15 × 21 = 1470/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
3/63 = 3 × 5/63 × 5 = 15/315 - Add the two like fractions:
1470/315 + 15/315 = 1470 + 15/315 = 1485/315 - 1485/315 simplified gives 33/7
- So, 70/15 + 3/63 = 33/7
In mixed form: 45/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+6/63 70/30+3/63 70/15+9/63 70/45+3/63 70/15+15/63 70/75+3/63 70/15+21/63