Add 15/42 and 90/7
1st number: 15/42, 2nd number: 12 6/7
15/42 + 90/7 is 185/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
15/42 = 15 × 1/42 × 1 = 15/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
90/7 = 90 × 6/7 × 6 = 540/42 - Add the two like fractions:
15/42 + 540/42 = 15 + 540/42 = 555/42 - 555/42 simplified gives 185/14
- So, 15/42 + 90/7 = 185/14
In mixed form: 133/14
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