Add 40/18 and 7/15
1st number: 2 4/18, 2nd number: 7/15
40/18 + 7/15 is 121/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
7/15 = 7 × 6/15 × 6 = 42/90 - Add the two like fractions:
200/90 + 42/90 = 200 + 42/90 = 242/90 - 242/90 simplified gives 121/45
- So, 40/18 + 7/15 = 121/45
In mixed form: 231/45
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