Add 6/72 and 70/90
6/72 + 70/90 is 31/36.
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,
6/72 = 6 × 5/72 × 5 = 30/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
70/90 = 70 × 4/90 × 4 = 280/360 - Add the two like fractions:
30/360 + 280/360 = 30 + 280/360 = 310/360 - 310/360 simplified gives 31/36
- So, 6/72 + 70/90 = 31/36
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