Add 72/56 and 1/70
1st number: 1 16/56, 2nd number: 1/70
72/56 + 1/70 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
72/56 = 72 × 5/56 × 5 = 360/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
1/70 = 1 × 4/70 × 4 = 4/280 - Add the two like fractions:
360/280 + 4/280 = 360 + 4/280 = 364/280 - 364/280 simplified gives 13/10
- So, 72/56 + 1/70 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/56+2/70 72/56+3/70 72/56+5/70 72/56+7/70