Add 30/16 and 90/72
1st number: 1 14/16, 2nd number: 1 18/72
30/16 + 90/72 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
30/16 = 30 × 9/16 × 9 = 270/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
90/72 = 90 × 2/72 × 2 = 180/144 - Add the two like fractions:
270/144 + 180/144 = 270 + 180/144 = 450/144 - 450/144 simplified gives 25/8
- So, 30/16 + 90/72 = 25/8
In mixed form: 31/8
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