Add 84/90 and 8/72
84/90 + 8/72 is 47/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
84/90 = 84 × 4/90 × 4 = 336/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
8/72 = 8 × 5/72 × 5 = 40/360 - Add the two like fractions:
336/360 + 40/360 = 336 + 40/360 = 376/360 - 376/360 simplified gives 47/45
- So, 84/90 + 8/72 = 47/45
In mixed form: 12/45
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