Add 70/16 and 40/84
1st number: 4 6/16, 2nd number: 40/84
70/16 + 40/84 is 815/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
70/16 = 70 × 21/16 × 21 = 1470/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
40/84 = 40 × 4/84 × 4 = 160/336 - Add the two like fractions:
1470/336 + 160/336 = 1470 + 160/336 = 1630/336 - 1630/336 simplified gives 815/168
- So, 70/16 + 40/84 = 815/168
In mixed form: 4143/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16+80/84 70/32+40/84 70/48+40/84 70/80+40/84