Add 2/80 and 42/70
2/80 + 42/70 is 5/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
2/80 = 2 × 7/80 × 7 = 14/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
42/70 = 42 × 8/70 × 8 = 336/560 - Add the two like fractions:
14/560 + 336/560 = 14 + 336/560 = 350/560 - 350/560 simplified gives 5/8
- So, 2/80 + 42/70 = 5/8
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