Add 70/12 and 9/63
1st number: 5 10/12, 2nd number: 9/63
70/12 + 9/63 is 251/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
70/12 = 70 × 21/12 × 21 = 1470/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
9/63 = 9 × 4/63 × 4 = 36/252 - Add the two like fractions:
1470/252 + 36/252 = 1470 + 36/252 = 1506/252 - 1506/252 simplified gives 251/42
- So, 70/12 + 9/63 = 251/42
In mixed form: 541/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+18/63 70/24+9/63 70/12+27/63 70/36+9/63 70/12+45/63 70/60+9/63 70/84+9/63