Add 9/30 and 70/72
9/30 + 70/72 is 229/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
9/30 = 9 × 12/30 × 12 = 108/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Add the two like fractions:
108/360 + 350/360 = 108 + 350/360 = 458/360 - 458/360 simplified gives 229/180
- So, 9/30 + 70/72 = 229/180
In mixed form: 149/180
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