Add 70/30 and 40/63
1st number: 2 10/30, 2nd number: 40/63
70/30 + 40/63 is 187/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
70/30 = 70 × 21/30 × 21 = 1470/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
40/63 = 40 × 10/63 × 10 = 400/630 - Add the two like fractions:
1470/630 + 400/630 = 1470 + 400/630 = 1870/630 - 1870/630 simplified gives 187/63
- So, 70/30 + 40/63 = 187/63
In mixed form: 261/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+80/63 70/60+40/63 70/90+40/63