Add 48/45 and 72/70
1st number: 1 3/45, 2nd number: 1 2/70
48/45 + 72/70 is 44/21.
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,
72/70 = 72 × 9/70 × 9 = 648/630 - Add the two like fractions:
672/630 + 648/630 = 672 + 648/630 = 1320/630 - 1320/630 simplified gives 44/21
- So, 48/45 + 72/70 = 44/21
In mixed form: 22/21
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