Add 35/84 and 72/30
1st number: 35/84, 2nd number: 2 12/30
35/84 + 72/30 is 169/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
72/30 = 72 × 14/30 × 14 = 1008/420 - Add the two like fractions:
175/420 + 1008/420 = 175 + 1008/420 = 1183/420 - 1183/420 simplified gives 169/60
- So, 35/84 + 72/30 = 169/60
In mixed form: 249/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+72/30 35/84+72/60 35/84+72/90