Add 70/48 and 18/21
1st number: 1 22/48, 2nd number: 18/21
70/48 + 18/21 is 389/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
70/48 = 70 × 7/48 × 7 = 490/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
18/21 = 18 × 16/21 × 16 = 288/336 - Add the two like fractions:
490/336 + 288/336 = 490 + 288/336 = 778/336 - 778/336 simplified gives 389/168
- So, 70/48 + 18/21 = 389/168
In mixed form: 253/168
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