Add 7/75 and 20/90
7/75 + 20/90 is 71/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
7/75 = 7 × 6/75 × 6 = 42/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
20/90 = 20 × 5/90 × 5 = 100/450 - Add the two like fractions:
42/450 + 100/450 = 42 + 100/450 = 142/450 - 142/450 simplified gives 71/225
- So, 7/75 + 20/90 = 71/225
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