Add 15/60 and 63/72
15/60 + 63/72 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
15/60 = 15 × 6/60 × 6 = 90/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Add the two like fractions:
90/360 + 315/360 = 90 + 315/360 = 405/360 - 405/360 simplified gives 9/8
- So, 15/60 + 63/72 = 9/8
In mixed form: 11/8
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