Add 45/7 and 15/45
1st number: 6 3/7, 2nd number: 15/45
45/7 + 15/45 is 142/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
45/7 = 45 × 45/7 × 45 = 2025/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
15/45 = 15 × 7/45 × 7 = 105/315 - Add the two like fractions:
2025/315 + 105/315 = 2025 + 105/315 = 2130/315 - 2130/315 simplified gives 142/21
- So, 45/7 + 15/45 = 142/21
In mixed form: 616/21
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