Add 90/72 and 40/9, Solve 1 18/72 + 4 4/9 as a fraction

Add 90/72 and 40/9

1^st number: 1 18/72, 2^nd number: 4 4/9

90/72 + 40/9 is 205/36.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72
Likewise, for the 2nd fraction, since 9 × 8 = 72,
40/9 = 40 × 8/9 × 8 = 320/72
Add the two like fractions:
90/72 + 320/72 = 90 + 320/72 = 410/72
410/72 simplified gives 205/36
So, 90/72 + 40/9 = 205/36
In mixed form: 525/36

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