Add 90/72 and 40/16
1st number: 1 18/72, 2nd number: 2 8/16
90/72 + 40/16 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
90/72 = 90 × 2/72 × 2 = 180/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
40/16 = 40 × 9/16 × 9 = 360/144 - Add the two like fractions:
180/144 + 360/144 = 180 + 360/144 = 540/144 - 540/144 simplified gives 15/4
- So, 90/72 + 40/16 = 15/4
In mixed form: 33/4
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