Add 45/7 and 75/45
1st number: 6 3/7, 2nd number: 1 30/45
45/7 + 75/45 is 170/21.
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,
75/45 = 75 × 7/45 × 7 = 525/315 - Add the two like fractions:
2025/315 + 525/315 = 2025 + 525/315 = 2550/315 - 2550/315 simplified gives 170/21
- So, 45/7 + 75/45 = 170/21
In mixed form: 82/21
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