Add 90/5 and 15/42
1st number: 18 0/5, 2nd number: 15/42
90/5 + 15/42 is 257/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
90/5 = 90 × 42/5 × 42 = 3780/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210 - Add the two like fractions:
3780/210 + 75/210 = 3780 + 75/210 = 3855/210 - 3855/210 simplified gives 257/14
- So, 90/5 + 15/42 = 257/14
In mixed form: 185/14
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