Add 12/40 and 72/96
12/40 + 72/96 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 40 × 12 = 480,
12/40 = 12 × 12/40 × 12 = 144/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
72/96 = 72 × 5/96 × 5 = 360/480 - Add the two like fractions:
144/480 + 360/480 = 144 + 360/480 = 504/480 - 504/480 simplified gives 21/20
- So, 12/40 + 72/96 = 21/20
In mixed form: 11/20
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