Add 35/72 and 90/70
1st number: 35/72, 2nd number: 1 20/70
35/72 + 90/70 is 893/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
35/72 = 35 × 35/72 × 35 = 1225/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
90/70 = 90 × 36/70 × 36 = 3240/2520 - Add the two like fractions:
1225/2520 + 3240/2520 = 1225 + 3240/2520 = 4465/2520 - 4465/2520 simplified gives 893/504
- So, 35/72 + 90/70 = 893/504
In mixed form: 1389/504
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Related: 70/72+90/70