Add 72/80 and 7/12
72/80 + 7/12 is 89/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
72/80 = 72 × 3/80 × 3 = 216/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
7/12 = 7 × 20/12 × 20 = 140/240 - Add the two like fractions:
216/240 + 140/240 = 216 + 140/240 = 356/240 - 356/240 simplified gives 89/60
- So, 72/80 + 7/12 = 89/60
In mixed form: 129/60
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