Add 12/15 and 40/72
12/15 + 40/72 is 61/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
12/15 = 12 × 24/15 × 24 = 288/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Add the two like fractions:
288/360 + 200/360 = 288 + 200/360 = 488/360 - 488/360 simplified gives 61/45
- So, 12/15 + 40/72 = 61/45
In mixed form: 116/45
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