Add 15/80 and 70/63
1st number: 15/80, 2nd number: 1 7/63
15/80 + 70/63 is 187/144.
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,
15/80 = 15 × 63/80 × 63 = 945/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
70/63 = 70 × 80/63 × 80 = 5600/5040 - Add the two like fractions:
945/5040 + 5600/5040 = 945 + 5600/5040 = 6545/5040 - 6545/5040 simplified gives 187/144
- So, 15/80 + 70/63 = 187/144
In mixed form: 143/144
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