Add 72/80 and 3/7
72/80 + 3/7 is 93/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
72/80 = 72 × 7/80 × 7 = 504/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
3/7 = 3 × 80/7 × 80 = 240/560 - Add the two like fractions:
504/560 + 240/560 = 504 + 240/560 = 744/560 - 744/560 simplified gives 93/70
- So, 72/80 + 3/7 = 93/70
In mixed form: 123/70
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