Add 70/45 and 28/70
1st number: 1 25/45, 2nd number: 28/70
70/45 + 28/70 is 88/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
70/45 = 70 × 14/45 × 14 = 980/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Add the two like fractions:
980/630 + 252/630 = 980 + 252/630 = 1232/630 - 1232/630 simplified gives 88/45
- So, 70/45 + 28/70 = 88/45
In mixed form: 143/45
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