Add 72/63 and 28/70
1st number: 1 9/63, 2nd number: 28/70
72/63 + 28/70 is 54/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Add the two like fractions:
720/630 + 252/630 = 720 + 252/630 = 972/630 - 972/630 simplified gives 54/35
- So, 72/63 + 28/70 = 54/35
In mixed form: 119/35
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