Add 70/80 and 14/72
70/80 + 14/72 is 77/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
70/80 = 70 × 9/80 × 9 = 630/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
14/72 = 14 × 10/72 × 10 = 140/720 - Add the two like fractions:
630/720 + 140/720 = 630 + 140/720 = 770/720 - 770/720 simplified gives 77/72
- So, 70/80 + 14/72 = 77/72
In mixed form: 15/72
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