Add 84/56 and 1/15
1st number: 1 28/56, 2nd number: 1/15
84/56 + 1/15 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
84/56 = 84 × 15/56 × 15 = 1260/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
1/15 = 1 × 56/15 × 56 = 56/840 - Add the two like fractions:
1260/840 + 56/840 = 1260 + 56/840 = 1316/840 - 1316/840 simplified gives 47/30
- So, 84/56 + 1/15 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+2/15 84/56+1/30 84/56+3/15 84/56+1/45 84/56+5/15 84/56+1/75 84/56+7/15