Add 12/5 and 70/63
1st number: 2 2/5, 2nd number: 1 7/63
12/5 + 70/63 is 158/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
12/5 = 12 × 63/5 × 63 = 756/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Add the two like fractions:
756/315 + 350/315 = 756 + 350/315 = 1106/315 - 1106/315 simplified gives 158/45
- So, 12/5 + 70/63 = 158/45
In mixed form: 323/45
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