Add 90/72 and 9/25, Solve 1 18/72 + 9/25 as a fraction

Add 90/72 and 9/25

1^st number: 1 18/72, 2^nd number: 9/25

90/72 + 9/25 is 161/100.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 72 × 25 = 1800,
90/72 = 90 × 25/72 × 25 = 2250/1800
Likewise, for the 2nd fraction, since 25 × 72 = 1800,
9/25 = 9 × 72/25 × 72 = 648/1800
Add the two like fractions:
2250/1800 + 648/1800 = 2250 + 648/1800 = 2898/1800
2898/1800 simplified gives 161/100
So, 90/72 + 9/25 = 161/100
In mixed form: 161/100

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