Add 25/42 and 84/45
1st number: 25/42, 2nd number: 1 39/45
25/42 + 84/45 is 517/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
25/42 = 25 × 15/42 × 15 = 375/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
84/45 = 84 × 14/45 × 14 = 1176/630 - Add the two like fractions:
375/630 + 1176/630 = 375 + 1176/630 = 1551/630 - 1551/630 simplified gives 517/210
- So, 25/42 + 84/45 = 517/210
In mixed form: 297/210
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