Add 42/90 and 72/14
1st number: 42/90, 2nd number: 5 2/14
42/90 + 72/14 is 589/105.
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,
72/14 = 72 × 45/14 × 45 = 3240/630 - Add the two like fractions:
294/630 + 3240/630 = 294 + 3240/630 = 3534/630 - 3534/630 simplified gives 589/105
- So, 42/90 + 72/14 = 589/105
In mixed form: 564/105
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