Add 7/28 and 63/70
7/28 + 63/70 is 23/20.
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,
7/28 = 7 × 5/28 × 5 = 35/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
63/70 = 63 × 2/70 × 2 = 126/140 - Add the two like fractions:
35/140 + 126/140 = 35 + 126/140 = 161/140 - 161/140 simplified gives 23/20
- So, 7/28 + 63/70 = 23/20
In mixed form: 13/20
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