Add 45/90 and 42/14
1st number: 45/90, 2nd number: 3 0/14
45/90 + 42/14 is 7/2.
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,
45/90 = 45 × 7/90 × 7 = 315/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
42/14 = 42 × 45/14 × 45 = 1890/630 - Add the two like fractions:
315/630 + 1890/630 = 315 + 1890/630 = 2205/630 - 2205/630 simplified gives 7/2
- So, 45/90 + 42/14 = 7/2
In mixed form: 31/2
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