Add 12/15 and 80/72
1st number: 12/15, 2nd number: 1 8/72
12/15 + 80/72 is 86/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
12/15 = 12 × 24/15 × 24 = 288/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
80/72 = 80 × 5/72 × 5 = 400/360 - Add the two like fractions:
288/360 + 400/360 = 288 + 400/360 = 688/360 - 688/360 simplified gives 86/45
- So, 12/15 + 80/72 = 86/45
In mixed form: 141/45
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