Add 63/72 and 12/20
63/72 + 12/20 is 59/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
12/20 = 12 × 18/20 × 18 = 216/360 - Add the two like fractions:
315/360 + 216/360 = 315 + 216/360 = 531/360 - 531/360 simplified gives 59/40
- So, 63/72 + 12/20 = 59/40
In mixed form: 119/40
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