Add 40/7 and 70/63
1st number: 5 5/7, 2nd number: 1 7/63
40/7 + 70/63 is 430/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
40/7 = 40 × 9/7 × 9 = 360/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
70/63 = 70 × 1/63 × 1 = 70/63 - Add the two like fractions:
360/63 + 70/63 = 360 + 70/63 = 430/63 - So, 40/7 + 70/63 = 430/63
In mixed form: 652/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+70/63 40/14+70/63 40/21+70/63 40/35+70/63 40/49+70/63