Add 42/80 and 63/7
1st number: 42/80, 2nd number: 9 0/7
42/80 + 63/7 is 381/40.
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,
42/80 = 42 × 7/80 × 7 = 294/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
63/7 = 63 × 80/7 × 80 = 5040/560 - Add the two like fractions:
294/560 + 5040/560 = 294 + 5040/560 = 5334/560 - 5334/560 simplified gives 381/40
- So, 42/80 + 63/7 = 381/40
In mixed form: 921/40
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