Add 42/35 and 70/72
1st number: 1 7/35, 2nd number: 70/72
42/35 + 70/72 is 391/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
42/35 = 42 × 72/35 × 72 = 3024/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
70/72 = 70 × 35/72 × 35 = 2450/2520 - Add the two like fractions:
3024/2520 + 2450/2520 = 3024 + 2450/2520 = 5474/2520 - 5474/2520 simplified gives 391/180
- So, 42/35 + 70/72 = 391/180
In mixed form: 231/180
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