Add 15/90 and 42/9
1st number: 15/90, 2nd number: 4 6/9
15/90 + 42/9 is 29/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
42/9 = 42 × 10/9 × 10 = 420/90 - Add the two like fractions:
15/90 + 420/90 = 15 + 420/90 = 435/90 - 435/90 simplified gives 29/6
- So, 15/90 + 42/9 = 29/6
In mixed form: 45/6
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