Add 84/90 and 56/60
84/90 + 56/60 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
84/90 = 84 × 2/90 × 2 = 168/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
56/60 = 56 × 3/60 × 3 = 168/180 - Add the two like fractions:
168/180 + 168/180 = 168 + 168/180 = 336/180 - 336/180 simplified gives 28/15
- So, 84/90 + 56/60 = 28/15
In mixed form: 113/15
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