Add 42/75 and 70/90
42/75 + 70/90 is 301/225.
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,
42/75 = 42 × 6/75 × 6 = 252/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
70/90 = 70 × 5/90 × 5 = 350/450 - Add the two like fractions:
252/450 + 350/450 = 252 + 350/450 = 602/450 - 602/450 simplified gives 301/225
- So, 42/75 + 70/90 = 301/225
In mixed form: 176/225
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