Add 42/45 and 9/30
42/45 + 9/30 is 37/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
42/45 = 42 × 2/45 × 2 = 84/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
9/30 = 9 × 3/30 × 3 = 27/90 - Add the two like fractions:
84/90 + 27/90 = 84 + 27/90 = 111/90 - 111/90 simplified gives 37/30
- So, 42/45 + 9/30 = 37/30
In mixed form: 17/30
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