Add 72/42 and 10/56
1st number: 1 30/42, 2nd number: 10/56
72/42 + 10/56 is 53/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
72/42 = 72 × 4/42 × 4 = 288/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
10/56 = 10 × 3/56 × 3 = 30/168 - Add the two like fractions:
288/168 + 30/168 = 288 + 30/168 = 318/168 - 318/168 simplified gives 53/28
- So, 72/42 + 10/56 = 53/28
In mixed form: 125/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42+20/56 72/84+10/56 72/42+30/56 72/42+50/56 72/42+70/56