Add 8/20 and 63/72
8/20 + 63/72 is 51/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
8/20 = 8 × 18/20 × 18 = 144/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Add the two like fractions:
144/360 + 315/360 = 144 + 315/360 = 459/360 - 459/360 simplified gives 51/40
- So, 8/20 + 63/72 = 51/40
In mixed form: 111/40
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