Add 49/70 and 20/28
49/70 + 20/28 is 99/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
49/70 = 49 × 2/70 × 2 = 98/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
20/28 = 20 × 5/28 × 5 = 100/140 - Add the two like fractions:
98/140 + 100/140 = 98 + 100/140 = 198/140 - 198/140 simplified gives 99/70
- So, 49/70 + 20/28 = 99/70
In mixed form: 129/70
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