Add 45/30 and 35/84
1st number: 1 15/30, 2nd number: 35/84
45/30 + 35/84 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
45/30 = 45 × 14/30 × 14 = 630/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Add the two like fractions:
630/420 + 175/420 = 630 + 175/420 = 805/420 - 805/420 simplified gives 23/12
- So, 45/30 + 35/84 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+35/84 45/30+70/84 45/60+35/84 45/90+35/84