Add 5/7 and 42/80
5/7 + 42/80 is 347/280.
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,
5/7 = 5 × 80/7 × 80 = 400/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560 - Add the two like fractions:
400/560 + 294/560 = 400 + 294/560 = 694/560 - 694/560 simplified gives 347/280
- So, 5/7 + 42/80 = 347/280
In mixed form: 167/280
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