Add 18/15 and 40/72
1st number: 1 3/15, 2nd number: 40/72
18/15 + 40/72 is 79/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
18/15 = 18 × 24/15 × 24 = 432/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Add the two like fractions:
432/360 + 200/360 = 432 + 200/360 = 632/360 - 632/360 simplified gives 79/45
- So, 18/15 + 40/72 = 79/45
In mixed form: 134/45
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