Add 84/56 and 9/15
1st number: 1 28/56, 2nd number: 9/15
84/56 + 9/15 is 21/10.
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,
9/15 = 9 × 56/15 × 56 = 504/840 - Add the two like fractions:
1260/840 + 504/840 = 1260 + 504/840 = 1764/840 - 1764/840 simplified gives 21/10
- So, 84/56 + 9/15 = 21/10
In mixed form: 21/10
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