Add 72/45 and 45/7
1st number: 1 27/45, 2nd number: 6 3/7
72/45 + 45/7 is 281/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
72/45 = 72 × 7/45 × 7 = 504/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
45/7 = 45 × 45/7 × 45 = 2025/315 - Add the two like fractions:
504/315 + 2025/315 = 504 + 2025/315 = 2529/315 - 2529/315 simplified gives 281/35
- So, 72/45 + 45/7 = 281/35
In mixed form: 81/35
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