Add 72/48 and 42/70
1st number: 1 24/48, 2nd number: 42/70
72/48 + 42/70 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
72/48 = 72 × 35/48 × 35 = 2520/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
42/70 = 42 × 24/70 × 24 = 1008/1680 - Add the two like fractions:
2520/1680 + 1008/1680 = 2520 + 1008/1680 = 3528/1680 - 3528/1680 simplified gives 21/10
- So, 72/48 + 42/70 = 21/10
In mixed form: 21/10
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