Add 8/72 and 12/90
8/72 + 12/90 is 11/45.
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,
8/72 = 8 × 5/72 × 5 = 40/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
12/90 = 12 × 4/90 × 4 = 48/360 - Add the two like fractions:
40/360 + 48/360 = 40 + 48/360 = 88/360 - 88/360 simplified gives 11/45
- So, 8/72 + 12/90 = 11/45
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