Add 72/7 and 42/80
1st number: 10 2/7, 2nd number: 42/80
72/7 + 42/80 is 3027/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
72/7 = 72 × 80/7 × 80 = 5760/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560 - Add the two like fractions:
5760/560 + 294/560 = 5760 + 294/560 = 6054/560 - 6054/560 simplified gives 3027/280
- So, 72/7 + 42/80 = 3027/280
In mixed form: 10227/280
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