Add 42/90 and 54/14
1st number: 42/90, 2nd number: 3 12/14
42/90 + 54/14 is 454/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
42/90 = 42 × 7/90 × 7 = 294/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
54/14 = 54 × 45/14 × 45 = 2430/630 - Add the two like fractions:
294/630 + 2430/630 = 294 + 2430/630 = 2724/630 - 2724/630 simplified gives 454/105
- So, 42/90 + 54/14 = 454/105
In mixed form: 434/105
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