Add 15/72 and 40/45
15/72 + 40/45 is 79/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
40/45 = 40 × 8/45 × 8 = 320/360 - Add the two like fractions:
75/360 + 320/360 = 75 + 320/360 = 395/360 - 395/360 simplified gives 79/72
- So, 15/72 + 40/45 = 79/72
In mixed form: 17/72
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