Add 90/27 and 4/45, Solve 3 9/27 + 4/45 as a fraction

Add 90/27 and 4/45

1^st number: 3 9/27, 2^nd number: 4/45

90/27 + 4/45 is 154/45.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135
Likewise, for the 2nd fraction, since 45 × 3 = 135,
4/45 = 4 × 3/45 × 3 = 12/135
Add the two like fractions:
450/135 + 12/135 = 450 + 12/135 = 462/135
462/135 simplified gives 154/45
So, 90/27 + 4/45 = 154/45
In mixed form: 319/45

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