Add 15/40 and 49/72
15/40 + 49/72 is 19/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
15/40 = 15 × 9/40 × 9 = 135/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
49/72 = 49 × 5/72 × 5 = 245/360 - Add the two like fractions:
135/360 + 245/360 = 135 + 245/360 = 380/360 - 380/360 simplified gives 19/18
- So, 15/40 + 49/72 = 19/18
In mixed form: 11/18
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