Add 16/40 and 9/72
16/40 + 9/72 is 21/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
16/40 = 16 × 9/40 × 9 = 144/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Add the two like fractions:
144/360 + 45/360 = 144 + 45/360 = 189/360 - 189/360 simplified gives 21/40
- So, 16/40 + 9/72 = 21/40
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