Add 20/15 and 84/56
1st number: 1 5/15, 2nd number: 1 28/56
20/15 + 84/56 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
20/15 = 20 × 56/15 × 56 = 1120/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
84/56 = 84 × 15/56 × 15 = 1260/840 - Add the two like fractions:
1120/840 + 1260/840 = 1120 + 1260/840 = 2380/840 - 2380/840 simplified gives 17/6
- So, 20/15 + 84/56 = 17/6
In mixed form: 25/6
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