Add 40/15 and 72/16
1st number: 2 10/15, 2nd number: 4 8/16
40/15 + 72/16 is 43/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
40/15 = 40 × 16/15 × 16 = 640/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
72/16 = 72 × 15/16 × 15 = 1080/240 - Add the two like fractions:
640/240 + 1080/240 = 640 + 1080/240 = 1720/240 - 1720/240 simplified gives 43/6
- So, 40/15 + 72/16 = 43/6
In mixed form: 71/6
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