Add 42/80 and 70/63
1st number: 42/80, 2nd number: 1 7/63
42/80 + 70/63 is 589/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
42/80 = 42 × 63/80 × 63 = 2646/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
70/63 = 70 × 80/63 × 80 = 5600/5040 - Add the two like fractions:
2646/5040 + 5600/5040 = 2646 + 5600/5040 = 8246/5040 - 8246/5040 simplified gives 589/360
- So, 42/80 + 70/63 = 589/360
In mixed form: 1229/360
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