Add 28/9 and 90/72
1st number: 3 1/9, 2nd number: 1 18/72
28/9 + 90/72 is 157/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
28/9 = 28 × 8/9 × 8 = 224/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
224/72 + 90/72 = 224 + 90/72 = 314/72 - 314/72 simplified gives 157/36
- So, 28/9 + 90/72 = 157/36
In mixed form: 413/36
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