Add 45/14 and 15/90
1st number: 3 3/14, 2nd number: 15/90
45/14 + 15/90 is 71/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
45/14 = 45 × 45/14 × 45 = 2025/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630 - Add the two like fractions:
2025/630 + 105/630 = 2025 + 105/630 = 2130/630 - 2130/630 simplified gives 71/21
- So, 45/14 + 15/90 = 71/21
In mixed form: 38/21
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