Add 96/42 and 45/80
1st number: 2 12/42, 2nd number: 45/80
96/42 + 45/80 is 319/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
96/42 = 96 × 40/42 × 40 = 3840/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
45/80 = 45 × 21/80 × 21 = 945/1680 - Add the two like fractions:
3840/1680 + 945/1680 = 3840 + 945/1680 = 4785/1680 - 4785/1680 simplified gives 319/112
- So, 96/42 + 45/80 = 319/112
In mixed form: 295/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42+90/80 96/84+45/80