Add 84/32 and 7/70
1st number: 2 20/32, 2nd number: 7/70
84/32 + 7/70 is 109/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
84/32 = 84 × 35/32 × 35 = 2940/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
7/70 = 7 × 16/70 × 16 = 112/1120 - Add the two like fractions:
2940/1120 + 112/1120 = 2940 + 112/1120 = 3052/1120 - 3052/1120 simplified gives 109/40
- So, 84/32 + 7/70 = 109/40
In mixed form: 229/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32+14/70 84/64+7/70 84/32+21/70 84/96+7/70 84/32+35/70 84/32+49/70