Add 48/42 and 70/72
1st number: 1 6/42, 2nd number: 70/72
48/42 + 70/72 is 533/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
48/42 = 48 × 12/42 × 12 = 576/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
70/72 = 70 × 7/72 × 7 = 490/504 - Add the two like fractions:
576/504 + 490/504 = 576 + 490/504 = 1066/504 - 1066/504 simplified gives 533/252
- So, 48/42 + 70/72 = 533/252
In mixed form: 229/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42+70/72 48/84+70/72