Add 81/4 and 70/49
1st number: 20 1/4, 2nd number: 1 21/49
81/4 + 70/49 is 607/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
81/4 = 81 × 49/4 × 49 = 3969/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
70/49 = 70 × 4/49 × 4 = 280/196 - Add the two like fractions:
3969/196 + 280/196 = 3969 + 280/196 = 4249/196 - 4249/196 simplified gives 607/28
- So, 81/4 + 70/49 = 607/28
In mixed form: 2119/28
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