Add 70/4 and 63/84
1st number: 17 2/4, 2nd number: 63/84
70/4 + 63/84 is 73/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
70/4 = 70 × 21/4 × 21 = 1470/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
63/84 = 63 × 1/84 × 1 = 63/84 - Add the two like fractions:
1470/84 + 63/84 = 1470 + 63/84 = 1533/84 - 1533/84 simplified gives 73/4
- So, 70/4 + 63/84 = 73/4
In mixed form: 181/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+63/84 70/12+63/84 70/20+63/84 70/28+63/84