Add 72/5 and 70/63
1st number: 14 2/5, 2nd number: 1 7/63
72/5 + 70/63 is 698/45.
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,
72/5 = 72 × 63/5 × 63 = 4536/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Add the two like fractions:
4536/315 + 350/315 = 4536 + 350/315 = 4886/315 - 4886/315 simplified gives 698/45
- So, 72/5 + 70/63 = 698/45
In mixed form: 1523/45
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