Add 21/4 and 75/35
1st number: 5 1/4, 2nd number: 2 5/35
21/4 + 75/35 is 207/28.
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,
21/4 = 21 × 35/4 × 35 = 735/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
75/35 = 75 × 4/35 × 4 = 300/140 - Add the two like fractions:
735/140 + 300/140 = 735 + 300/140 = 1035/140 - 1035/140 simplified gives 207/28
- So, 21/4 + 75/35 = 207/28
In mixed form: 711/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4+75/35 21/8+75/35 21/4+75/70 63/4+75/35 21/12+75/35 21/20+75/35 21/28+75/35