Add 36/48 and 21/70
36/48 + 21/70 is 21/20.
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,
36/48 = 36 × 35/48 × 35 = 1260/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
21/70 = 21 × 24/70 × 24 = 504/1680 - Add the two like fractions:
1260/1680 + 504/1680 = 1260 + 504/1680 = 1764/1680 - 1764/1680 simplified gives 21/20
- So, 36/48 + 21/70 = 21/20
In mixed form: 11/20
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