Add 48/45 and 21/70
1st number: 1 3/45, 2nd number: 21/70
48/45 + 21/70 is 41/30.
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,
48/45 = 48 × 14/45 × 14 = 672/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
21/70 = 21 × 9/70 × 9 = 189/630 - Add the two like fractions:
672/630 + 189/630 = 672 + 189/630 = 861/630 - 861/630 simplified gives 41/30
- So, 48/45 + 21/70 = 41/30
In mixed form: 111/30
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