Add 40/45 and 9/7
1st number: 40/45, 2nd number: 1 2/7
40/45 + 9/7 is 137/63.
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,
40/45 = 40 × 7/45 × 7 = 280/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
9/7 = 9 × 45/7 × 45 = 405/315 - Add the two like fractions:
280/315 + 405/315 = 280 + 405/315 = 685/315 - 685/315 simplified gives 137/63
- So, 40/45 + 9/7 = 137/63
In mixed form: 211/63
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