Add 72/8 and 70/84
1st number: 9 0/8, 2nd number: 70/84
72/8 + 70/84 is 59/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
72/8 = 72 × 21/8 × 21 = 1512/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
70/84 = 70 × 2/84 × 2 = 140/168 - Add the two like fractions:
1512/168 + 140/168 = 1512 + 140/168 = 1652/168 - 1652/168 simplified gives 59/6
- So, 72/8 + 70/84 = 59/6
In mixed form: 95/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/16+70/84 72/24+70/84 72/40+70/84 72/56+70/84