Add 30/45 and 5/7
30/45 + 5/7 is 29/21.
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,
30/45 = 30 × 7/45 × 7 = 210/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
5/7 = 5 × 45/7 × 45 = 225/315 - Add the two like fractions:
210/315 + 225/315 = 210 + 225/315 = 435/315 - 435/315 simplified gives 29/21
- So, 30/45 + 5/7 = 29/21
In mixed form: 18/21
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