Add 12/7 and 9/45
1st number: 1 5/7, 2nd number: 9/45
12/7 + 9/45 is 67/35.
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,
12/7 = 12 × 45/7 × 45 = 540/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
9/45 = 9 × 7/45 × 7 = 63/315 - Add the two like fractions:
540/315 + 63/315 = 540 + 63/315 = 603/315 - 603/315 simplified gives 67/35
- So, 12/7 + 9/45 = 67/35
In mixed form: 132/35
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