Add 70/90 and 49/70
70/90 + 49/70 is 133/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
70/90 = 70 × 7/90 × 7 = 490/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
49/70 = 49 × 9/70 × 9 = 441/630 - Add the two like fractions:
490/630 + 441/630 = 490 + 441/630 = 931/630 - 931/630 simplified gives 133/90
- So, 70/90 + 49/70 = 133/90
In mixed form: 143/90
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