Add 12/4 and 72/35
1st number: 3 0/4, 2nd number: 2 2/35
12/4 + 72/35 is 177/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
12/4 = 12 × 35/4 × 35 = 420/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
72/35 = 72 × 4/35 × 4 = 288/140 - Add the two like fractions:
420/140 + 288/140 = 420 + 288/140 = 708/140 - 708/140 simplified gives 177/35
- So, 12/4 + 72/35 = 177/35
In mixed form: 52/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+72/35 12/8+72/35 12/4+72/70 36/4+72/35 60/4+72/35 12/20+72/35 84/4+72/35 12/28+72/35