Add 63/70 and 81/15
1st number: 63/70, 2nd number: 5 6/15
63/70 + 81/15 is 63/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
63/70 = 63 × 3/70 × 3 = 189/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
81/15 = 81 × 14/15 × 14 = 1134/210 - Add the two like fractions:
189/210 + 1134/210 = 189 + 1134/210 = 1323/210 - 1323/210 simplified gives 63/10
- So, 63/70 + 81/15 = 63/10
In mixed form: 63/10
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