Add 72/56 and 18/60
1st number: 1 16/56, 2nd number: 18/60
72/56 + 18/60 is 111/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
72/56 = 72 × 15/56 × 15 = 1080/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
18/60 = 18 × 14/60 × 14 = 252/840 - Add the two like fractions:
1080/840 + 252/840 = 1080 + 252/840 = 1332/840 - 1332/840 simplified gives 111/70
- So, 72/56 + 18/60 = 111/70
In mixed form: 141/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/56+36/60 72/56+54/60 72/56+90/60