Add 42/84 and 96/45
1st number: 42/84, 2nd number: 2 6/45
42/84 + 96/45 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
42/84 = 42 × 15/84 × 15 = 630/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
96/45 = 96 × 28/45 × 28 = 2688/1260 - Add the two like fractions:
630/1260 + 2688/1260 = 630 + 2688/1260 = 3318/1260 - 3318/1260 simplified gives 79/30
- So, 42/84 + 96/45 = 79/30
In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/84+96/90