Add 12/28 and 49/70
12/28 + 49/70 is 79/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
12/28 = 12 × 5/28 × 5 = 60/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
49/70 = 49 × 2/70 × 2 = 98/140 - Add the two like fractions:
60/140 + 98/140 = 60 + 98/140 = 158/140 - 158/140 simplified gives 79/70
- So, 12/28 + 49/70 = 79/70
In mixed form: 19/70
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