Add 9/72 and 3/20
9/72 + 3/20 is 11/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
3/20 = 3 × 18/20 × 18 = 54/360 - Add the two like fractions:
45/360 + 54/360 = 45 + 54/360 = 99/360 - 99/360 simplified gives 11/40
- So, 9/72 + 3/20 = 11/40
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