Add 20/90 and 72/75
20/90 + 72/75 is 266/225.
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,
72/75 = 72 × 6/75 × 6 = 432/450 - Add the two like fractions:
100/450 + 432/450 = 100 + 432/450 = 532/450 - 532/450 simplified gives 266/225
- So, 20/90 + 72/75 = 266/225
In mixed form: 141/225
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