Add 20/90 and 64/75
20/90 + 64/75 is 242/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
20/90 = 20 × 5/90 × 5 = 100/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
64/75 = 64 × 6/75 × 6 = 384/450 - Add the two like fractions:
100/450 + 384/450 = 100 + 384/450 = 484/450 - 484/450 simplified gives 242/225
- So, 20/90 + 64/75 = 242/225
In mixed form: 117/225
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