Add 84/72 and 6/90
1st number: 1 12/72, 2nd number: 6/90
84/72 + 6/90 is 37/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
6/90 = 6 × 4/90 × 4 = 24/360 - Add the two like fractions:
420/360 + 24/360 = 420 + 24/360 = 444/360 - 444/360 simplified gives 37/30
- So, 84/72 + 6/90 = 37/30
In mixed form: 17/30
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