Add 90/30 and 81/16
1st number: 3 0/30, 2nd number: 5 1/16
90/30 + 81/16 is 129/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
90/30 = 90 × 8/30 × 8 = 720/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
81/16 = 81 × 15/16 × 15 = 1215/240 - Add the two like fractions:
720/240 + 1215/240 = 720 + 1215/240 = 1935/240 - 1935/240 simplified gives 129/16
- So, 90/30 + 81/16 = 129/16
In mixed form: 81/16
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