Add 72/80 and 15/63
72/80 + 15/63 is 239/210.
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,
72/80 = 72 × 63/80 × 63 = 4536/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
15/63 = 15 × 80/63 × 80 = 1200/5040 - Add the two like fractions:
4536/5040 + 1200/5040 = 4536 + 1200/5040 = 5736/5040 - 5736/5040 simplified gives 239/210
- So, 72/80 + 15/63 = 239/210
In mixed form: 129/210
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