Add 72/4 and 70/42
1st number: 18 0/4, 2nd number: 1 28/42
72/4 + 70/42 is 59/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
72/4 = 72 × 21/4 × 21 = 1512/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
70/42 = 70 × 2/42 × 2 = 140/84 - Add the two like fractions:
1512/84 + 140/84 = 1512 + 140/84 = 1652/84 - 1652/84 simplified gives 59/3
- So, 72/4 + 70/42 = 59/3
In mixed form: 192/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8+70/42 72/4+70/84 72/12+70/42 72/20+70/42 72/28+70/42