Add 9/12 and 32/42
9/12 + 32/42 is 127/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
9/12 = 9 × 7/12 × 7 = 63/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
32/42 = 32 × 2/42 × 2 = 64/84 - Add the two like fractions:
63/84 + 64/84 = 63 + 64/84 = 127/84 - So, 9/12 + 32/42 = 127/84
In mixed form: 143/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+32/42 9/12+64/42 9/24+32/42 9/12+32/84 27/12+32/42 9/12+96/42 9/36+32/42 45/12+32/42 9/60+32/42 63/12+32/42 9/84+32/42