Add 81/45 and 4/7
1st number: 1 36/45, 2nd number: 4/7
81/45 + 4/7 is 83/35.
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,
81/45 = 81 × 7/45 × 7 = 567/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
4/7 = 4 × 45/7 × 45 = 180/315 - Add the two like fractions:
567/315 + 180/315 = 567 + 180/315 = 747/315 - 747/315 simplified gives 83/35
- So, 81/45 + 4/7 = 83/35
In mixed form: 213/35
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