Add 84/15 and 70/36
1st number: 5 9/15, 2nd number: 1 34/36
84/15 + 70/36 is 679/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
84/15 = 84 × 12/15 × 12 = 1008/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
70/36 = 70 × 5/36 × 5 = 350/180 - Add the two like fractions:
1008/180 + 350/180 = 1008 + 350/180 = 1358/180 - 1358/180 simplified gives 679/90
- So, 84/15 + 70/36 = 679/90
In mixed form: 749/90
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